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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. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 39273-2020 |
Rolling bearings and spherical plain bearings—Search structure for electronic media—characteristics and performance criteria identified by property vocabulary 滚动轴承和关节轴承 电子媒体查询结构 用特性词汇标识的特征和性能指标 |
China National Standards characteristics |
 English PDF |
| GB/T 24611-2020 |
Rolling bearings—Damage and failures—Terms，characteristics and causes 滚动轴承 损伤和失效 术语、特征及原因 |
China National Standards characteristics |
English PDF |
| GB/T 39415.2-2020 |
Packaging sacks—Method of specifications for characteristics—Part 2: Sacks made from thermoplastic flexible film 包装袋 特征性能规范方法 第2部分：热塑性软质薄膜袋 |
China National Standards characteristics |
English PDF |
| GB/T 39415.1-2020 |
Packaging sacks—Method of specifications for characteristics—Part 1: Paper sacks 包装袋 特征性能规范方法 第1部分：纸袋 |
China National Standards characteristics |
English PDF |
| GB/T 3836.12-2019 |
Explosive atmospheres—Part 12：Material characteristics for combustible dusts—Test methods 爆炸性环境 第12部分：可燃性粉尘物质特性 试验方法 |
China National Standards characteristics |
English PDF |
| GB/T 7253-2019 |
Insulators for overhead lines with a nominal voltage above 1 000V—Ceramic or glass insulator units for a.c.systems—characteristics of insulator units of the cap and pin type 标称电压高于1000V的架空线路绝缘子 交流系统用瓷或玻璃绝缘子元件 盘形悬式绝缘子元件的特性 |
China National Standards characteristics |
English PDF |
| GB/T 7253-2019 |
Insulators for overhead lines with a nominal voltage above 1 000V—Ceramic or glass insulator units for a.c.systems—characteristics of insulator units of the cap and pin type 标称电压高于1000V的架空线路绝缘子 交流系统用瓷或玻璃绝缘子元件 盘形悬式绝缘子元件的特性 |
China National Standards characteristics |
English PDF |
| GB 4824-2019 |
Industrial,scientific and medical equipment—Radio-frequency disturbance characteristics—Limits and methods of measurement 工业、科学和医疗设备 射频骚扰特性 限值和测量方法 |
China National Standards characteristics |
English PDF |
| GB/Z 37627.3-2019 |
Radio interference characteristics of overhead power lines and high-voltage equipment—Part 3:Code of practice for minimizing the generation of radio noise 架空电力线路和高压设备的无线电干扰特性 第3部分：减少无线电噪声至最小程度的实施规程 |
China National Standards characteristics |
English PDF |
| GB/T 18497.2-2019 |
characteristics of electric infrared emitters for industrial heating—Part 2: Mediumwave and longwave electric infrared emitters 工业加热用电红外发射器的特性 第2部分:中长波电红外发射器 |
China National Standards characteristics |
English PDF |
| GB/T 18497.1-2019 |
characteristics of electric infrared emitters for industrial heating—Part 1: Shortwave electric infrared emitters 工业加热用电红外发射器的特性 第1部分:短波电红外发射器 |
China National Standards characteristics |
English PDF |
| GB 23255-2019 |
Photometric characteristics of daytime running lamps for power driven vehicles 机动车昼间行驶灯配光性能 |
China National Standards characteristics |
English PDF |
| GB 5920-2019 |
Photometric characteristics of front and rear position lamps, end-outline marker lamps and stop lamps for motor vehicles and their trailers 汽车及挂车前位灯、后位灯、示廓灯和制动灯配光性能 |
China National Standards characteristics |
English PDF |
| GB/T 37664.1-2019 |
Nanomanufacturing—Key control characteristics—Luminescent nanomaterials—Part 1:Quantum efficiency 纳米制造 关键控制特性 发光纳米材料 第1部分：量子效率 |
China National Standards characteristics |
English PDF |
| GB/T 37370-2019 |
Names and colorimetric characteristics of Chinese common colors 中国常见色色名和色度特性 |
China National Standards characteristics |
English PDF |
| GB/T 21561.4-2018 |
Railway applications—Rolling stock pantograph characteristics and tests—Part 4: Interface between pantograph and rolling stock for metros and light rail vehicles 轨道交通-机车车辆受电弓特性和试验-第4部分：受电弓与地铁、轻轨车辆接口 |
China National Standards characteristics |
English PDF |
| GB/T 36979-2018 |
Measuring method of spatial distribution of color characteristics for LED products LED产品空间颜色分布测量方法 |
China National Standards characteristics |
English PDF |
| GB/T 21561.2-2018 |
Railway applications—Rolling stock pantographs characteristics and tests—Part 2：Pantographs for metros and light rail vehicles 轨道交通-机车车辆受电弓特性和试验-第2部分：地铁和轻轨车辆受电弓 |
China National Standards characteristics |
English PDF |
| GB/T 21561.1-2018 |
Railway applications—Rolling stock pantographs characteristics and tests—Part 1：Pantographs for mainline vehicles 轨道交通-机车车辆受电弓特性和试验-第1部分：干线机车车辆受电弓 |
China National Standards characteristics |
English PDF |
| GB/T 25122.1-2018 |
Railway applications—Power converters installed on board rolling stock—Part 1: characteristics and test methods 轨道交通-机车车辆用电力变流器-第1部分：特性和试验方法 |
China National Standards characteristics |
English PDF |
| GB/T 2408-2008/XG1-2018 |
Plastics - Determination of burning characteristics - Horizontal and vertical test 《塑料-燃烧性能的测定-水平法和垂直法》国家标准第1号修改单 |
China National Standards characteristics |
English PDF |
| GB/T 36279-2018 |
Methods for testing self-damping characteristics of overhead conductors 架空导线自阻尼特性测试方法 |
China National Standards characteristics |
English PDF |
| GB/T 35022-2018 |
Additive manufacturing—Main characteristics and corresponding test methods—Parts and powder materials 增材制造 主要特性和测试方法 零件和粉末原材料 |
China National Standards characteristics |
English PDF |
| GB/T 36297-2018 |
Field test characteristics of optical remote sensing payload 光学遥感载荷性能外场测试评价指标 |
China National Standards characteristics |
English PDF |
| GB/T 18655-2018 |
Vehicles, boats and internal combustion engines—Radio disturbance characteristics—Limits and methods of measurement for the protection of on-board receivers 车辆、船和内燃机 无线电骚扰特性 用于保护车载接收机的限值和测量方法 |
China National Standards characteristics |
English PDF |
| GB/T 36532-2018 |
Fibre-reinforced plastics—Thermosetting moulding compounds and prepregs—Determination of cure characteristics 纤维增强塑料 热固性模塑料和预浸料 固化特性测定 |
China National Standards characteristics |
English PDF |
| GB/T 13611-2018 |
Classification and basic characteristics of city gas 城镇燃气分类和基本特性 |
China National Standards characteristics |
English PDF |
| GB/T 36043-2018 |
Specification of large-scale steam turbine-generator shafting dynamic characteristics 大型汽轮发电机组轴系动力特性技术规范 |
China National Standards characteristics |
English PDF |
| GB/T 17737.310-2018 |
Coaxial communication cables—Part 1-310: Mechanical test methods—Test for torsion characteristics of copper-clad metals 同轴通信电缆 第1-310部分：机械试验方法 铜包金属的扭转特性试验 |
China National Standards characteristics |
English PDF |
| GB/T 35852-2018 |
Dimensions and characteristics of conductors for general purpose aircraft electrical cables and aerospace applications 飞机通用电缆和航空航天应用的导体尺寸和特性 |
China National Standards characteristics |
English PDF |
| GB/T 34879-2017 |
Geometrical product specifications (GPS)—Metrological characteristics and guide to uncertainty of measurement for optical confocal microscopes 产品几何技术规范（GPS） 光学共焦显微镜计量特性及测量不确定度评定导则 |
China National Standards characteristics |
English PDF |
| GB/T 25102.8-2017 |
Electroacoustics—Hearing aids—Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions 电声学 助听器 第8部分：模拟实际工作条件下的助听器性能测量方法 |
China National Standards characteristics |
English PDF |
| GB/T 25102.6-2017 |
Electroacoustic—Hearing aids—Part 6: characteristics of electrical input circuits for hearing aids 电声学 助听器 第6部分：助听器输入电路的特性 |
China National Standards characteristics |
English PDF |
| GB/T 6494-2017 |
Measurement method for electrical characteristics of aerospace solar cells 航天用太阳电池电性能测试方法 |
China National Standards characteristics |
English PDF |
| GB/T 34615-2017 |
Determination of combustion characteristics of CMSW for coprocessing in cement kiln 水泥窑协同处置的生活垃圾预处理可燃物燃烧特性检测方法 |
China National Standards characteristics |
English PDF |
| GB/T 3685-2017 |
Conveyor belts—Laboratory scale flammability characteristics—Test method 输送带 实验室规模的燃烧特性 试验方法 |
China National Standards characteristics |
English PDF |
| GB/T 25102.7-2017 |
Electroacoustics—Hearing aids—Part 7: Measurement of the performance characteristics of hearing aids for production, supply and delivery quality assurance purposes 电声学 助听器 第7部分：助听器生产、供应和交货时质量保证的性能特性测量 |
China National Standards characteristics |
English PDF |
| GB/T 7343-2017 |
Methods of measurement of the suppression characteristics of passive EMC filtering devices 无源EMC滤波器件抑制特性的测量方法 |
China National Standards characteristics |
English PDF |
| GB/T 15972.44-2017 |
Specifications for optical fibre test methods—Part 44: Measurement methods and test procedures for transmission and optical characteristics—Cut-off wavelength 光纤试验方法规范 第44部分：传输特性和光学特性的测量方法和试验程序 截止波长 |
China National Standards characteristics |
English PDF |
| GB/T 33856-2017 |
Methods of measurement for main characteristics of equipments of sound systems for emergency purposes 应急声系统设备主要性能测试方法 |
China National Standards characteristics |
English PDF |
| GB/T 33779.1-2017 |
Guidance for special characteristics of optical fibre—Part 1: Attenuation uniformity 光纤特性测试导则 第1部分：衰减均匀性 |
China National Standards characteristics |
English PDF |
| GB/T 33626.1-2017 |
Pneumatic lubricators—Part 1:Main characteristics to be included in supplier’s literature and product-marking requirements 气动油雾器 第1部分：商务文件中应包含的主要特性和产品标识要求 |
China National Standards characteristics |
English PDF |
| GB/T 33626.2-2017 |
Pneumatic lutricators—Part 2:Test methods to determine the main characteristics to be included in supplier’s literature 气动油雾器 第2部分：评定商务文件中包含的主要特性的试验方法 |
China National Standards characteristics |
English PDF |
| GB/T 33575-2017 |
Freight containers—Electronic seals—Environmental characteristics 集装箱 电子箱封 环境特性 |
China National Standards characteristics |
English PDF |
| GB/T 33523.601-2017 |
Geometrical product specifications (GPS)—Surface texture: Areal—Part 601: Nominal characteristics of contact (stylus) instruments 产品几何技术规范(GPS) 表面结构 区域法 第601部分：接触(触针)式仪器的标称特性 |
China National Standards characteristics |
English PDF |
| GB/T 33525-2017 |
Conveyor belts—characteristics of covers—Classification 输送带 覆盖层性能 类别 |
China National Standards characteristics |
English PDF |
| GB/T 3836.11-2017 |
Explosive atmospheres—Part 11: Material characteristics for gas and vapourclassification—Test methods and data 爆炸性环境 第11部分：气体和蒸气物质特性分类 试验方法和数据 |
China National Standards characteristics |
English PDF |
| GB/T 11026.3-2017 |
Electrical insulating materials—Thermal endurance properties —Part 3: Intrucations for calculating thermal endurance characteristics 电气绝缘材料 耐热性 第3部分：计算耐热特征参数的规程 |
China National Standards characteristics |
English PDF |
| GB/T 14513.1-2017 |
Pneumatic fluid power—Determination of flow-rate characteristics of components using compressible fluids—Part 1: General rules and test methods for steady-state flow 气动 使用可压缩流体元件的流量特性测定 第1部分：稳态流动的一般规则和试验方法 |
China National Standards characteristics |
English PDF |
| GB/T 18015.7-2017 |
Multicore and symmetrical pair/quad cables for digital communications—Part 7: Symmetrical pair/quad cables with transmission characteristics up to 1 200MHz—Sectional specification for digital and analog communication cables 数字通信用对绞或星绞多芯对称电缆 第7部分：具有1200MHz及以下传输特性的对绞或星绞对称电缆 数字及模拟通信电缆分规范 |
China National Standards characteristics |
English PDF |
| GB/T 18015.8-2017 |
Multicore and symmetrical pair/quad cables for digital communications—Part 8: Symmetrical pair/quad cables with transmission characteristics up to 1200MHz－Work area wiring sectional specification 数字通信用对绞或星绞多芯对称电缆 第8部分：具有1200MHz及以下传输特性的对绞或星绞对称电缆 工作区布线电缆分规范 |
China National Standards characteristics |
English PDF |
| GB/T 17743-2017 |
Limits and methods of measurement of radio disturbance characteristics of electrical lighting and similar equipment 电气照明和类似设备的无线电骚扰特性的限值和测量方法 |
China National Standards characteristics |
English PDF |
| GB 4660-2016 |
Photometric characteristics of power-driven vehicle front fog lamps 机动车用前雾灯配光性能 |
China National Standards characteristics |
English PDF |
| GB/T 33304-2016 |
Testing method of combustion characteristics of coal—Thermogravimetric analysis 煤炭燃烧特性试验方法 热重分析法 |
China National Standards characteristics |
English PDF |
| GB/T 11026.9-2016 |
Electrical insulating materials—Thermal endurance properties—Part 9: Instructions for calculating thermal endurance characteristics using simplified procedures 电气绝缘材料 耐热性 第9部分：利用简化程序计算耐热性导则 |
China National Standards characteristics |
English PDF |
| GB/T 15789-2016 |
Geotextiles and geotextile-related products—Determination of water permeability characteristics normal to the plane，without load 土工布及其有关产品 无负荷时垂直渗透特性的测定 |
China National Standards characteristics |
English PDF |
| GB/T 22181.24-2016 |
Plasma display panels—Part 2-4: Methods for measuring the characteristics of devices for digital television sets 等离子体显示器件 第2-4部分：数字电视机用器件特性测量方法 |
China National Standards characteristics |
English PDF |
| GB/T 24817.3-2016 |
Cranes—Control layout and characteristics—Part 3: Tower cranes 起重机 控制装置布置形式和特性 第3部分：塔式起重机 |
China National Standards characteristics |
English PDF |
| GB/T 24817.1-2016 |
Cranes—Control layout and characteristics—Part 1: General principles 起重机 控制装置布置形式和特性 第1部分：总则 |
China National Standards characteristics |
English PDF |
| GB/T 17215.9321-2016 |
Electricity metering equipment—Dependability—Part 321: Durability testing of the stability of metrological characteristics by applying elevated temperature 电测量设备 可信性 第321部分：耐久性-高温下的计量特性稳定性试验 |
China National Standards characteristics |
English PDF |
| GB 15213-2016 |
Medical electron accelerators—Functional performance characteristics and test methods 医用电子加速器 性能和试验方法 |
China National Standards characteristics |
English PDF |
| GB/T 32774-2016 |
X-ray inspection method for internal structure characteristics of wood door 木质门内部结构特征X射线检测方法 |
China National Standards characteristics |
English PDF |
| GB/T 21561.3-2016 |
Railway applications—Rolling stock pantographs characteristics and tests—Part 3: Interface between pantograph and rolling stock for mainline vehicles 轨道交通 机车车辆受电弓特性和试验 第3部分：受电弓与干线机车车辆的接口 |
China National Standards characteristics |
English PDF |
| GB/T 15972.48-2016 |
Specifications for optical fibre test methods—Part 48: Measurement methods and test procedures for transmission and optical characteristics—Polarization mode dispersion 光纤试验方法规范 第48部分：传输特性和光学特性的测量方法和试验程序 偏振模色散 |
China National Standards characteristics |
English PDF |
| GB/T 1000-2016 |
Dimensions and characteristics of pin insulators of ceramic for high-voltage overhead lines 高压线路针式瓷绝缘子尺寸与特性 |
China National Standards characteristics |
English PDF |
| GB/T 32522-2016 |
Acoustics—Electroacoustic characteristics and measurements of spherically focusing ultrasonic transducers 声学 压电球面聚焦超声换能器的电声特性及其测量 |
China National Standards characteristics |
English PDF |
| GB/T 25753.4-2015 |
Vacuum technology—Roots vacuum pump— Measurement of performance characteristics—Part 4: Measurement of noise 真空技术 罗茨真空泵性能测量方法 第4部分：噪声的测量 |
China National Standards characteristics |
English PDF |
| GB/T 32265.1-2015 |
Ease of operation of everyday products—Part 1：Design requirements for context of use and user characteristics 日用产品的易操作性 第1部分：针对使用情境和用户特征的设计要求 |
China National Standards characteristics |
English PDF |
| GB/T 17213.10-2015 |
Industrial-process control valves—Part 2-4: Flow capacity—Inherent flow characteristics and rangeability 工业过程控制阀 第2-4部分：流通能力 固有流量特性和可调比 |
China National Standards characteristics |
English PDF |
| GB/T 14480.2-2015 |
Non-destructive testing instruments—Equipment for eddy current examination—Part 2：Probe characteristics and verification 无损检测仪器 涡流检测设备 第2部分：探头性能和检验 |
China National Standards characteristics |
English PDF |
| GB/T 14480.1-2015 |
Non-destructive testing instruments—Equipment for eddy current examination—Part 1：Instrument characteristics and verification 无损检测仪器 涡流检测设备 第1部分：仪器性能和检验 |
China National Standards characteristics |
English PDF |
| GB/T 7166-2015 |
characteristics and test methods for in-core and primary coolant circuit temperature sensors in nuclear power plants 核电厂反应堆堆芯和主冷却剂回路内温度计的特性和试验方法 |
China National Standards characteristics |
English PDF |
| GB 18408-2015 |
photometric characteristics of devices for the illumination of rear registration plates of motor vehicles and their trailers 汽车及挂车后牌照板照明装置配光性能 |
China National Standards characteristics |
English PDF |
| GB/T 32072-2015 |
Belt drives—Electrical conductivity of antistatic synchronous belts—characteristics and test method 带传动 抗静电同步带的导电性 要求和试验方法 |
China National Standards characteristics |
English PDF |
| GB/T 31999-2015 |
Technical specification of evaluation of integration characteristics for connecting photovoltaic power system to distribution network 光伏发电系统接入配电网特性评价技术规范 |
China National Standards characteristics |
English PDF |
| GB/T 11313.16-2015 |
Radio-frequency connectors—Part 16：Sectional specification for RF coaxial connectors with inner diameter of outer conductor 7 mm (0.276 in) with screw coupling—characteristics impedance 50 Ω (75 Ω) (type N) 射频连接器 第16部分：外导体内径为7mm（0.276in）、特性阻抗为50Ω（75Ω）、螺纹连接的射频同轴连接器（N型）分规范 |
China National Standards characteristics |
English PDF |
| GB/T 19125-2015 |
Tri-wheel vehicles and low-speed goods vehicles—Photometric characteristics of front and rear position lamps,stop lamps 三轮汽车和低速货车 前位灯、后位灯和制动灯配光性能 |
China National Standards characteristics |
English PDF |
| GB/T 19123-2015 |
Tri-wheel vehicles and low-speed goods vehicles—Photometric characteristics of turn signal lamps 三轮汽车和低速货车 转向信号灯配光性能 |
China National Standards characteristics |
English PDF |
| GB/T 19135-2015 |
Tri-wheel vehicles and low-speed goods vehicles—Photometric characteristics of reversing lamps 三轮汽车和低速货车 倒车灯配光性能 |
China National Standards characteristics |
English PDF |
| GB/T 31430-2015 |
Names and colorimetric characteristics of traditional colors in China 中国传统色色名及色度特性 |
China National Standards characteristics |
English PDF |
| GB/T 17618-2015 |
Information technology equipment—Immunity characteristics—Limits and methods of measurement 信息技术设备 抗扰度 限值和测量方法 |
China National Standards characteristics |
English PDF |
| GB/T 30697-2014 |
Test methods of characteristics for spaceborne multispectral camera with wide field of view 星载大视场多光谱相机性能测试方法 |
China National Standards characteristics |
English PDF |
| GB/T 30661.2-2014 |
Wheelchair seating―Part 2: Determination of physical and mechanical characteristics of devices intended to manage tissue integrity―Seat cushions 轮椅车座椅 第2部分：维持组织完整性装置的物理和机械特性测定 座垫 |
China National Standards characteristics |
English PDF |
| GB/T 9869-2014 |
Rubber―Measurement of vulcanization characteristics with the oscillating disc curemeter 橡胶胶料 硫化特性的测定 圆盘振荡硫化仪法 |
China National Standards characteristics |
English PDF |
| GB/T 21421.2-2014 |
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V― Part 2：Dimensions and characteristics 标称电压高于1 000V 的架空线路用复合绝缘子串元件 第2部分：尺寸与特性 |
China National Standards characteristics |
English PDF |
| GB/T 30823-2014 |
Nickel-alloy probe test method for determination cooling characteristics of industrial quenching oil 测定工业淬火油冷却性能的镍合金探头试验方法 |
China National Standards characteristics |
English PDF |
| GB/T 30706-2014 |
Measurment method and evaluating of the antibacterial characteristics of photocatalysis materials under visible light irridation 可见光照射下光催化抗菌材料及制品抗菌性能测试方法及评价 |
China National Standards characteristics |
English PDF |
| GB/T 30511-2014 |
Photometric characteristics ofcornering lamps for motor vehicle 汽车用角灯配光性能 |
China National Standards characteristics |
English PDF |
| GB 4824-2013 |
Industrial, scientific and medical equipment—Radio-frequency disturbance characteristics-Limits and methods of measurement 工业、科学和医疗(ISM)射频设备 骚扰特性 限值和测量方法 |
China National Standards characteristics |
English PDF |
| GB/T 30203-2013 |
characteristics of aircraft electrical system 飞机电气系统特性 |
China National Standards characteristics |
English PDF |
| GB/T 20320-2013 |
Measurement and assessment of power quality characteristics of wind turbines generator systems 风力发电机组 电能质量测量和评估方法 |
China National Standards characteristics |
English PDF |
| GB/T 18989-2013 |
Radionuclide imaging device—characteristics and test conditions—Gamma cameras 放射性核素成像设备 性能和试验规则 伽玛照相机 |
China National Standards characteristics |
English PDF |
| GB/T 18988.3-2013 |
Radionuclide imaging device―characteristics and test conditions―Part 3：Gamma camera based-wholebody imaging systems 放射性核素成像设备 性能和试验规则 第3部分：伽玛照相机全身成像系统 |
China National Standards characteristics |
English PDF |
| GB/T 18988.2-2013 |
Radionuclide imaging device―characteristics and test conditions―Part 2：Single photon emission computed tomograph 放射性核素成像设备 性能和试验规则 第2部分：单光子发射计算机断层装置 |
China National Standards characteristics |
English PDF |
| GB/T 18988.1-2013 |
Radionuclide imaging device—characteristics and test conditions—Part 1：Positron emission tomograph 放射性核素成像设备 性能和试验规则 第1部分：正电子发射断层成像装置 |
China National Standards characteristics |
English PDF |
| GB 18409-2013 |
Photometric characteristics of parking lamps for power-driven vehicles 汽车驻车灯配光性能 |
China National Standards characteristics |
English PDF |
| GB 18099-2013 |
Photometric characteristics of side-marker lamps for motor vehicles and their trailers 机动车及挂车侧标志灯配光性能 |
China National Standards characteristics |
English PDF |
| GB/T 15168-2013 |
Vibration and shock isolators measuring method for its static and dynamic characteristics 振动与冲击隔离器静、动态性能测试方法 |
China National Standards characteristics |
English PDF |
| GB/T 13288.4-2013 |
Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned substrates - Part 4: Method for the calibration of ISO surface profile comparator and for the determination of surface p 涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第4部分：ISO表面粗糙度比较样块的校准和表面粗糙度的测定方法 触针法 |
China National Standards characteristics |
English PDF |
| GB/T 8107-2012 |
Hydraulic fluid power-Valves - Determination of pressure differential/flow characteristics 液压阀 压差-流量特性的测定 |
China National Standards characteristics |
English PDF |
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