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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "Metric" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 26958.71-2022 Product GeoMetric Specifications (GPS) Filtering Part 71: Robust Region Filters Gaussian Regression Filters
    产品几何技术规范(GPS) 滤波 第71部分:稳健区域滤波器 高斯回归滤波器
    China National Standards
    Metric

    English PDF
    GB/T 33523.606-2022 GeoMetric Product Specification (GPS) Surface Structure Area Method Part 606: Nominal Characteristics of Non-Contact (Zoom) Type Instruments
    产品几何技术规范(GPS) 表面结构 区域法 第606部分:非接触(变焦)式仪器的标称特性
    China National Standards
    Metric

    English PDF
    GB/T 33523.605-2022 Product GeoMetric Specifications (GPS) Surface Structure Area Method Part 605: Nominal Characteristics of Non-Contact (Point AF Probe) Type Instruments
    产品几何技术规范(GPS) 表面结构 区域法 第605部分:非接触(点自动对焦探针)式仪器的标称特性
    China National Standards
    Metric

    English PDF
    GB/T 26958.85-2022 GeoMetric Product Specification (GPS) Filtering Part 85: Morphological Region Filters Segmentation
    产品几何技术规范(GPS) 滤波 第85部分:形态学区域滤波器 分割
    China National Standards
    Metric

    English PDF
    GB/T 42084-2022 Product GeoMetric Specification (GPS) Extraction
    产品几何技术规范(GPS) 提取
    China National Standards
    Metric

    English PDF
    GB/T 16857.9-2022 GeoMetric Product Specification (GPS) Coordinate Measuring System (CMS) Acceptance and Re-inspection Testing Part 9: Coordinate Measuring Machines Equipped with Multiple Probing Systems
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第9部分:配备多种探测系统的坐标测量机
    China National Standards
    Metric

    English PDF
    GB/T 16857.8-2022 GeoMetric Product Specification (GPS) Coordinate Measuring System (CMS) Acceptance and Re-inspection Testing Part 8: Coordinate Measuring Machines Using Optical Distance Sensors
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第8部分:使用光学距离传感器的坐标测量机
    China National Standards
    Metric

    English PDF
    GB/T 16857.7-2022 Product GeoMetric Specification (GPS) Coordinate Measuring System (CMS) Acceptance Test and Re-inspection Test Part 7: Coordinate Measuring Machine Equipped with Image Detection System
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第7部分:配置影像探测系统的坐标测量机
    China National Standards
    Metric

    English PDF
    GB/T 16857.12-2022 GeoMetric product specification (GPS) Acceptance testing and re-inspection testing of coordinate measuring systems (CMS) Part 12: Coordinate measuring machines with articulated arms
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第12部分:关节臂式坐标测量机
    China National Standards
    Metric

    English PDF
    GB/T 16857.10-2022 GeoMetric Product Specification (GPS) Coordinate Measuring System (CMS) Acceptance Test and Re-inspection Test Part 10: Laser Tracker
    产品几何技术规范(GPS) 坐标测量系统(CMS)的验收检测和复检检测 第10部分:激光跟踪仪
    China National Standards
    Metric

    English PDF
    GB/T 33523.3-2022 GeoMetric Product Specification (GPS) Surface Structure Area Method Part 3: Set of Specification Operations
    产品几何技术规范(GPS) 表面结构 区域法 第3部分:规范操作集
    China National Standards
    Metric

    English PDF
    GB/T 37036.6-2022 Information technology - BioMetrics for mobile devices - Part 6: Finger veins
    信息技术 移动设备生物特征识别 第6部分:指静脉
    China National Standards
    Metric

    English PDF
    GB/T 37036.8-2022 Information technology - BioMetrics for mobile devices - Part 8: Detection of rendering attacks
    信息技术 移动设备生物特征识别 第8部分:呈现攻击检测
    China National Standards
    Metric

    English PDF
    GB/T 26237.9-2022 Information technology - BioMetric data exchange format - Part 9: Vascular image data
    信息技术 生物特征识别数据交换格式 第9部分:血管图像数据
    China National Standards
    Metric

    English PDF
    GB/T 42132.1-2022 Information technology - Machine readable test data for bioMetric testing and reporting - Part 1: Test reports
    信息技术 用于生物特征识别测试和报告的机读测试数据 第1部分:测试报告
    China National Standards
    Metric

    English PDF
    GB/T 41903.3-2022 Information technology - Object-oriented bioMetric application programming interface - Part 3: C# implementation
    信息技术 面向对象的生物特征识别应用编程接口 第3部分:C#实现
    China National Standards
    Metric

    English PDF
    GB/T 41903.2-2022 Information technology - Object-oriented bioMetric application programming interface - Part 2: Java implementation
    信息技术 面向对象的生物特征识别应用编程接口 第2部分:Java实现
    China National Standards
    Metric

    English PDF
    GB/T 17851-2022 Product GeoMetric Specifications (GPS) Geometric Tolerancing Datums and Datum Systems
    产品几何技术规范(GPS) 几何公差 基准和基准体系
    China National Standards
    Metric

    English PDF
    GB/T 40815.5-2022 Mechanical construction of electrical and electronic equipment - Thermal management of imperial and Metric series enclosures - Part 5: Evaluation of cooling performance of indoor enclosures
    电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第5部分:户内机柜的冷却性能评估
    China National Standards
    Metric

    English PDF
    GB/T 18779.1-2022 GeoMetric Product Specification (GPS) Measurement Inspection of Workpieces and Measuring Equipment Part 1: Rules for Passing or Failing Verification According to Specifications
    产品几何技术规范(GPS) 工件与测量设备的测量检验 第1部分:按规范验证合格或不合格的判定规则
    China National Standards
    Metric

    English PDF
    GB/T 38265.3-2022 Test methods for soldering fluxes - Part 3: Determination of acid value - PotentioMetric and visual titration
    软钎剂试验方法 第3部分:酸值的测定 电位滴定法和目视滴定法
    China National Standards
    Metric

    English PDF
    GB/T 4096.2-2022 GeoMetric Product Specification (GPS) Wedge Part 2: Dimensioning and Tolerancing
    产品几何技术规范(GPS) 楔体 第2部分:尺寸与公差标注
    China National Standards
    Metric

    English PDF
    GB/T 4096.1-2022 Product GeoMetric Specifications (GPS) Wedges Part 1: Angle and Slope Series
    产品几何技术规范(GPS) 楔体 第1部分:角度与斜度系列
    China National Standards
    Metric

    English PDF
    GB/T 42124.1-2022 GeoMetric product specification (GPS) Dimensional and geometric tolerances of molded parts - Part 1: Vocabulary
    产品几何技术规范(GPS) 模制件的尺寸和几何公差 第1部分:词汇
    China National Standards
    Metric

    English PDF
    GB/T 41858-2022 Product GeoMetric Specification (GPS) Batch Specification
    产品几何技术规范(GPS) 批量规范
    China National Standards
    Metric

    English PDF
    GB/T 16892-2022 Product GeoMetric Specification (GPS) Dimensioning and Tolerancing Non-rigid Parts
    产品几何技术规范(GPS) 尺寸和公差标注 非刚性零件
    China National Standards
    Metric

    English PDF
    GB/T 1871.5-2022 Determination of magnesium oxide content in phosphate rocks and concentrates - Flame atomic absorption spectrometry, voluMetric and inductively coupled plasma emission spectrometry
    磷矿石和磷精矿中氧化镁含量的测定 火焰原子吸收光谱法、容量法和电感耦合等离子体发射光谱法
    China National Standards
    Metric

    English PDF
    GB/T 18663.5-2022 Mechanical construction of electronic equipment - Tests for Metric and imperial series - Part 5: Seismic tests for enclosures, subracks and inserts
    电子设备机械结构 公制系列和英制系列的试验 第5部分:机箱、插箱和插件的地震试验
    China National Standards
    Metric

    English PDF
    GB/T 18663.4-2022 Mechanical construction of electronic equipment - Tests for Metric and imperial series - Part 4: Combinations of performance levels for modular cabinets
    电子设备机械结构 公制系列和英制系列的试验 第4部分:模数机柜的性能等级组合
    China National Standards
    Metric

    English PDF
    GB/T 41803.1-2022 Information technology - Social security card bioMetric identification application system - Part 1: General requirements
    信息技术 社会保障卡生物特征识别应用系统 第1部分:通用要求
    China National Standards
    Metric

    English PDF
    GB/T 41815.2-2022 Information technology — BioMetric presence attack detection — Part 2: Data formats
    信息技术 生物特征识别呈现攻击检测 第2部分:数据格式
    China National Standards
    Metric

    English PDF
    GB/T 26237.1-2022 Information technology - BioMetric data exchange format - Part 1: Framework
    信息技术 生物特征识别数据交换格式 第1部分:框架
    China National Standards
    Metric

    English PDF
    GB/T 41772-2022 Information technology - BioMetric identification - Technical requirements for face recognition systems
    信息技术 生物特征识别 人脸识别系统技术要求
    China National Standards
    Metric

    English PDF
    GB/T 41815.1-2022 Information technology—BioMetrics presents attack detection—Part 1: Framework
    信息技术 生物特征识别呈现攻击检测 第1部分:框架
    China National Standards
    Metric

    English PDF
    GB/T 41804-2022 Information technology—Methods for evaluating the environmental impact of bioMetric system performance
    信息技术 生物特征识别系统性能环境影响的评价方法
    China National Standards
    Metric

    English PDF
    GB/T 26237.10-2022 Information technology - BioMetric data exchange format - Part 10: Hand contour data
    信息技术 生物特征识别数据交换格式 第10部分:手形轮廓数据
    China National Standards
    Metric

    English PDF
    GB/T 40694.4-2022 Information technology - Diagrams, icons and symbols for use in bioMetric identification systems - Part 4: Fingerprint applications
    信息技术 用于生物特征识别系统的图示、图标和符号 第4部分:指纹应用
    China National Standards
    Metric

    English PDF
    GB/T 26237.15-2022 Information technology - BioMetric data exchange format - Part 15: Palmprint image data
    信息技术 生物特征识别数据交换格式 第15部分:掌纹图像数据
    China National Standards
    Metric

    English PDF
    GB/T 28826.4-2022 Information technology - Common bioMetric interchange format framework - Part 4: Security block format specification
    信息技术 公用生物特征识别交换格式框架 第4部分:安全块格式规范
    China National Standards
    Metric

    English PDF
    GB/T 29268.6-2022 Information technology - BioMetric recognition performance testing and reporting - Part 6: Test methods for operational evaluation
    信息技术 生物特征识别性能测试和报告 第6部分:运行评价的测试方法
    China National Standards
    Metric

    English PDF
    GB/T 29268.5-2022 Information technology - BioMetric performance testing and reporting - Part 5: Access control scenarios and grading mechanisms
    信息技术 生物特征识别性能测试和报告 第5部分:访问控制场景与分级机制
    China National Standards
    Metric

    English PDF
    GB/T 41903.1-2022 Information technology - Object-oriented bioMetric application programming interface - Part 1: Architecture
    信息技术 面向对象的生物特征识别应用编程接口 第1部分:体系结构
    China National Standards
    Metric

    English PDF
    GB/T 40694.9-2022 Information technology - Diagrams, icons and symbols for bioMetric identification systems - Part 9: Vascular applications
    信息技术 用于生物特征识别系统的图示、图标和符号 第9部分:血管应用
    China National Standards
    Metric

    English PDF
    GB/T 40694.5-2022 Information technology - Diagrams, icons and symbols for bioMetric identification systems - Part 5: Face applications
    信息技术 用于生物特征识别系统的图示、图标和符号 第5部分:人脸应用
    China National Standards
    Metric

    English PDF
    GB/T 26237.8-2022 Information technology - BioMetric data exchange format - Part 8: Fingerprint skeleton data
    信息技术 生物特征识别数据交换格式 第8部分:指纹骨架数据
    China National Standards
    Metric

    English PDF
    GB/T 5686.1-2022 Ferromanganese, manganese silicon alloy, ferromanganese nitride and metal manganese Determination of manganese content PotentioMetric titration, ammonium nitrate oxidation titration and perchloric acid oxidation titration
    锰铁、锰硅合金、氮化锰铁和金属锰 锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法
    China National Standards
    Metric

    English PDF
    GB/T 41801.3-2022 Information technology - BioMetric identification systems on cards - Part 3: Logical information exchange mechanism
    信息技术 卡上生物特征识别系统 第3部分:逻辑信息交换机制
    China National Standards
    Metric

    English PDF
    GB/T 41801.2-2022 Information technology - BioMetric identification systems on cards - Part 2: Physical characteristics
    信息技术 卡上生物特征识别系统 第2部分:物理特性
    China National Standards
    Metric

    English PDF
    GB/T 41801.1-2022 Information technology - BioMetric identification systems on cards - Part 1: Basic requirements
    信息技术 卡上生物特征识别系统 第1部分:基本要求
    China National Standards
    Metric

    English PDF
    GB/T 5686.2-2022 Determination of ferromanganese, manganese-silicon alloy, ferromanganese nitride and metal manganese-silicon content Molybdenum blue spectrophotometry, potassium fluorosilicate titration and perchloric acid graviMetric method
    锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝分光光度法、氟硅酸钾滴定法和高氯酸重量法
    China National Standards
    Metric

    English PDF
    GB/T 6730.83-2022 Iron ore - Determination of loss on ignition - Hygroscopic water corrected graviMetric method
    铁矿石 灼烧减量的测定 吸湿水校正重量法
    China National Standards
    Metric

    English PDF
    GB/T 41814.1-2022 Information technology - BioMetric calibration, augmentation and fusion data - Part 1: Fusion information format
    信息技术 生物特征识别校准、增强和融合数据 第1部分:融合信息格式
    China National Standards
    Metric

    English PDF
    GB/T 41786-2022 public safety bioMetrics terminology
    公共安全 生物特征识别 术语
    China National Standards
    Metric

    English PDF
    GB/T 41633.2-2022 Insulating liquids - Determination of acid value - Part 2: ColoriMetric titration
    绝缘液体 酸值的测定 第2部分:比色滴定法
    China National Standards
    Metric

    English PDF
    GB/T 41103-2022 Rolling bearings - Ceramic cylindrical rollers - Dimensions, product geoMetric specifications (GPS) and tolerance values
    滚动轴承 陶瓷圆柱滚子 外形尺寸、产品几何技术规范(GPS)和公差值
    China National Standards
    Metric

    English PDF
    GB/T 6702-2022 Naphthalene pickling coloriMetric test method
    萘酸洗比色试验方法
    China National Standards
    Metric

    English PDF
    GB/T 223.63-2022 Iron, steel and alloys - Determination of manganese content - Sodium (potassium) periodate spectrophotoMetric method
    钢铁及合金 锰含量的测定 高碘酸钠(钾)分光光度法
    China National Standards
    Metric

    English PDF
    GB/T 17164-2022 Terminology for measuring instruments for geoMetric quantities Product terminology
    几何量测量器具术语 产品术语
    China National Standards
    Metric

    English PDF
    GB/T 17163-2022 Terminology of measuring instruments for geoMetric quantities Basic terms
    几何量测量器具术语 基本术语
    China National Standards
    Metric

    English PDF
    GB/Z 41259-2022 Determination of quaternary ammonium salt in preservative wood and wood preservatives by automatic potentioMetric titration
    自动电位滴定仪测定防腐木材和木材防腐剂中季铵盐的方法
    China National Standards
    Metric

    English PDF
    GB/T 14571.4-2022 Test methods for ethylene glycol for industrial use Part 4: Determination of ultraviolet transmittance ultraviolet spectrophotoMetric method
    工业用乙二醇试验方法 第4部分:紫外透光率的测定 紫外分光光度法
    China National Standards
    Metric

    English PDF
    GB/T 6730.60-2022 Iron ores - Determination of nickel content - Flame atomic absorption spectroMetric method
    铁矿石 镍含量的测定 火焰原子吸收光谱法
    China National Standards
    Metric

    English PDF
    GB/T 6730.5-2022 Iron ores -- Determination of total iron content -- TitriMetric method after titanium trichloride reduction
    铁矿石 全铁含量的测定 三氯化钛还原后滴定法
    China National Standards
    Metric

    English PDF
    GB/T 41497-2022 Vanadium, iron, vanadium, silicon, phosphorus, manganese, aluminum and iron determination of content wavelength dispersive X-ray fluorescence spectroMetric method
    钒铁 钒、硅、磷、锰、铝、铁含量的测定 波长色散X射线荧光光谱法
    China National Standards
    Metric

    English PDF
    GB/T 41496-2022 Ferroalloys - Determination of moisture in delivery lots - GraviMetric method
    铁合金 交货批水分的测定 重量法
    China National Standards
    Metric

    English PDF
    GB/T 41428.1-2022 Surgical implants - bone and joint prostheses - Part 1: process of generating paraMetric 3D bone model based on knee CT data
    外科植入物 骨关节假体 第1部分:基于膝关节CT数据生成参数化3D骨模型的流程
    China National Standards
    Metric

    English PDF
    GB/T 4854.3-2022 Acoustics—Reference zero for the calibration of audioMetric equipment—Part 3:Reference equivalent threshold vibratory force levels for pure tones and bone vibrators
    声学 校准测听设备的基准零级 第3部分: 骨振器纯音基准等效阈振动力级
    China National Standards
    Metric

    English PDF
    GB/T 6609.30-2022 Chemical analysis methods and determination of physical performance of alumina—Part 30: Determination of trace elements—Wavelength dispersive X-ray fluorescence spectroMetric method
    氧化铝化学分析方法和物理性能测定方法 第30部分:微量元素含量的测定 波长色散X射线荧光光谱法
    China National Standards
    Metric

    English PDF
    GB/T 41322-2022 Cemented carbides - Determination of silicon content in cobalt powder - SpectrophotoMetric method
    硬质合金 钴粉中硅量的测定 分光光度法
    China National Standards
    Metric

    English PDF
    GB/T 6730.25-2021 Iron ores—Determination of total rare earth contents—Oxalate graviMetric method
    铁矿石 稀土总量的测定 草酸盐重量法
    China National Standards
    Metric

    English PDF
    GB/T 41105.3-2021 Non-destructive testing -- Measurement and evaluation of the X-ray tube voltage -- Part 3: SpectroMetric method
    无损检测? X射线管电压的测量和评价 第3部分:能谱法
    China National Standards
    Metric

    English PDF
    GB/T 6445-2021 Rolling bearings—Needle roller bearing track rollers—Boundary dimensions, geoMetrical product specifications (GPS) and tolerance values
    滚动轴承 滚轮滚针轴承 外形尺寸、产品几何技术规范(GPS)和公差值
    China National Standards
    Metric

    English PDF
    GB/T 6730.48-2021 Iron ores—Determination of bismuth content— Dithiodiantipyryl methane spectrophotoMetric method
    铁矿石 铋含量的测定 二硫代二安替吡啉甲烷分光光度法
    China National Standards
    Metric

    English PDF
    GB/T 40998-2021 Determination of hydroxypropyl content in modified starch -- SpectrophotoMetric method
    变性淀粉中羟丙基含量的测定 分光光度法
    China National Standards
    Metric

    English PDF
    GB/T 40915-2021 Determination of SiO2,Al2O3,Fe2O3,K2O,Na2O,CaO,MgO content of soda-lime-silica glass by X-ray fluorescence spectroMetric method
    X射线荧光光谱法测定钠钙硅玻璃中SiO2、Al2O3、Fe2O3、K2O、Na2O、CaO、MgO含量
    China National Standards
    Metric

    English PDF
    GB/T 22522-2021 Metric series wires for measuring screw threads
    测量螺纹用米制系列量针
    China National Standards
    Metric

    English PDF
    GB/T 20882.4-2021 Rolling bearings—Needle roller bearing track rollers—Boundary dimensions, geoMetrical product specifications (GPS) and tolerance values
    淀粉糖质量要求 第4部分:果葡糖浆
    China National Standards
    Metric

    English PDF
    GB/T 40897-2021 Determination of alkali sulfides and alkaline earth sulfides in cosmetics—Methylene blue spectrophotoMetric method
    化妆品中碱金属硫化物和碱土金属硫化物的测定 亚甲基蓝分光光度法
    China National Standards
    Metric

    English PDF
    GB/T 40944-2021 Determination of feed particle size—GeoMetric mean diameter method
    饲料粒度测定 几何平均粒度法
    China National Standards
    Metric

    English PDF
    GB/T 17903.2-2021 Information technology—Security techniques—Non-repudiation—Part 2:Mechanisms using symMetric techniques
    信息技术 安全技术 抗抵赖 第2部分:采用对称技术的机制
    China National Standards
    Metric

    English PDF
    GB/T 40815.4-2021 Mechanical structures for electrical and electronic equipment—Thermal managementfor cabinets in accordance with inch and Metric system—Part 4:Cooling performance tests for water supplied heat exchangers in electronic cabinets
    电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第4部分:电子机柜中供水热交换器的冷却性能试验
    China National Standards
    Metric

    English PDF
    GB/T 40815.2-2021 Mechanical structures for electrical and electronic equipment—Thermal management for cabinets in accordance with inch and Metric system—Part 2:Method for the determination of forced air cooling
    电气和电子设备机械结构 符合英制系列和公制系列机柜的热管理 第2部分:强迫风冷的确定方法
    China National Standards
    Metric

    English PDF
    GB/T 18663.2-2021 Mechanical structures for electronic equipment—Tests for Metric and inch system—Part 2: Seismic tests for cabinets and racks
    电子设备机械结构 公制系列和英制系列的试验 第2部分:机柜和机架的地震试验
    China National Standards
    Metric

    English PDF
    GB/T 5271.37-2021 Information technology—Vocabulary—Part 37:BioMetrics
    信息技术 词汇 第37部分:生物特征识别
    China National Standards
    Metric

    English PDF
    GB/T 40694.1-2021 Information technology—Pictograms,icons and symbols for use with bioMetric systems—Part 1: General principles
    信息技术 用于生物特征识别系统的图示、图标和符号 第1部分:总则
    China National Standards
    Metric

    English PDF
    GB/T 40742.5-2021 GeoMetrical product specifications (GPS)—Geometrical precisionverification—Part 5:Estimation of uncertainty of measurement for geometrical characteristics verification
    产品几何技术规范(GPS) 几何精度的检测与验证 第5部分:几何特征检测与验证中测量不确定度的评估
    China National Standards
    Metric

    English PDF
    GB/T 19789-2021 Packaging material—Test method for oxygen gas permeability characteristics of plastic film and sheeting—CouloMetric sensor
    包装材料 塑料薄膜和薄片氧气透过性试验 库仑计检测法
    China National Standards
    Metric

    English PDF
    GB/T 18996-2021 Silver jewellery alloys—Determination of silver—VoluMetric (potentiometric) method using sodium chloride or potassium chloride
    银合金首饰 银含量的测定 氯化钠或氯化钾容量法(电位滴定法)
    China National Standards
    Metric

    English PDF
    GB/T 17832-2021 Silver jewellery alloys—Determination of silver—VoluMetric (potentiometric) method using potassium bromide
    银合金首饰 银含量的测定 溴化钾容量法(电位滴定法)
    China National Standards
    Metric

    English PDF
    GB/T 39560.702-2021 Determination of certain substances in electrical and electronic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colorMetric method
    电子电气产品中某些物质的测定 第7-2部分:六价铬 比色法测定聚合物和电子件中的六价铬[Cr(VI)]
    China National Standards
    Metric

    English PDF
    GB/T 40810.2-2021 GeoMetrical product specifications (GPS)—Online measurement in process—Part 2:Online verifications of geometric features(form and position)
    产品几何技术规范(GPS) 生产过程在线测量 第2部分:几何特征(形位)的在线检测与验证
    China National Standards
    Metric

    English PDF
    GB/T 40810.1-2021 GeoMetrical product specifications (GPS)—Online measurement in process—Part 1:Online verification of geometric features (size and surface texture)
    产品几何技术规范(GPS) 生产过程在线测量 第1部分:几何特征(尺寸、表面结构)的在线检测与验证
    China National Standards
    Metric

    English PDF
    GB/T 40742.4-2021 GeoMetrical product specifications (GPS)—Geometrical precision verification—Part 4:Evaluation of dimension and geometrical error,discriminant pattern of minimum zone
    产品几何技术规范(GPS) 几何精度的检测与验证 第4部分:尺寸和几何误差评定、最小区域的判别模式
    China National Standards
    Metric

    English PDF
    GB/T 40742.3-2021 GeoMetrical product specifications (GPS)—Geometrical precision verification—Part 3:Functional gauges and fixtures—Verification when applying maximum material requirements and minimum material requirements
    产品几何技术规范(GPS) 几何精度的检测与验证 第3部分:功能量规与夹具 应用最大实体要求和最小实体要求时的检测与验证
    China National Standards
    Metric

    English PDF
    GB/T 40742.2-2021 GeoMetrical product specifications (GPS)—Geometrical precision verification—Part 2:Verification of form characteristics, orientation characteristics, position characteristics, run-out characteristics and profile characteristics
    产品几何技术规范(GPS) 几何精度的检测与验证 第2部分:形状、方向、位置、跳动和轮廓度特征的检测与验证
    China National Standards
    Metric

    English PDF
    GB/T 40742.1-2021 GeoMetrical product specifications (GPS)—Geometrical precision verification—Part 1:Basic concept and measurement—Symbol,terminology,measuring conditions and procedures
    产品几何技术规范(GPS) 几何精度的检测与验证 第1部分:基本概念和测量基础 符号、术语、测量条件和程序
    China National Standards
    Metric

    English PDF
    GB/T 40523-2021 Technology specification for geoMetric calibration of 1:25000 1:50000 optical mapping satellite
    1:25000 1:50000光学测绘卫星几何检校技术规范
    China National Standards
    Metric

    English PDF
    GB/T 40784.1-2021 Information technology. BioMetric profiles for interoperability and data interchange -- Part 1: Overview of biometric systems and biometric profiles
    信息技术 用于互操作和数据交换的生物特征识别轮廓 第1部分:生物特征识别系统概述和生物特征识别轮廓
    China National Standards
    Metric

    English PDF
    GB/T 40660-2021 Information security technology—General requirements for bioMetric information protection
    信息安全技术 生物特征识别信息保护基本要求
    China National Standards
    Metric

    English PDF
    GB/T 14949.6-2021 Manganese ores—Determination of copper,lead and zinc content—Flame atomic absorption spectroMetric method
    锰矿石 铜、铅和锌含量的测定 火焰原子吸收光谱法
    China National Standards
    Metric

    English PDF

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