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  •  China "U" GB Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 40096.2-2021 Technical specification for on-site protection eqUipment - Part 2: Connector and prefabricated cable
    就地化继电保护装置技术规范 第2部分：连接器及预制缆    		 China National Standards
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    GB/T 40096.1-2021 Technical specification for on-site protection eqUipment - Part 1: General specification
    就地化继电保护装置技术规范 第1部分：通用技术条件    		 China National Standards
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    GB/T 40095-2021 Technical specifications for measUrement and control device in smart substation
    智能变电站测控装置技术规范    		 China National Standards
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    GB/T 40092-2021 Assessment technical specification for eco-design prodUct—Tranformers
    生态设计产品评价技术规范 变压器    		 China National Standards
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    GB/T 40071-2021 Nanotechnologies—MeasUrement of the number of layers of graphene-related two-dimensional (2D) materials—Optical contrast method
    纳米技术 石墨烯相关二维材料的层数测量 光学对比度法    		 China National Standards
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    GB/T 40069-2021 Nanotechnologies—MeasUrement of the number of layers of graphene-related two-dimensional (2D) materials—Raman spectroscopy method
    纳米技术 石墨烯相关二维材料的层数测量 拉曼光谱法    		 China National Standards
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    GB/T 40068-2021 ElectrofUsion welding sleeve(tape) for thermal insulation pipeline
    保温管道用电热熔套（带）    		 China National Standards
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    GB/T 40067-2021 MicrostrUcture and defect determination of tungsten carbide powder
    碳化钨粉末微观组织及缺陷检测方法    		 China National Standards
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    GB/T 40066-2021 Nanotechnologies—Thickness measUrement of graphene oxide—Atomic Force Microscopy (AFM)
    纳米技术 氧化石墨烯厚度测量 原子力显微镜法    		 China National Standards
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    GB/T 40007-2021 Nanotechnology—Contacting methods for measUring the resistivity of nanomaterials—General rules
    纳米技术 纳米材料电阻率的接触式测量方法 通则    		 China National Standards
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    GB/T 40006.1-2021 Plastics—Recycled plastic—Part 1:General rUles
    塑料 再生塑料 第1部分：通则    		 China National Standards
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    GB/T 40005-2021 WeibUll statistics for strength data of fine ceramics
    精细陶瓷强度数据的韦布尔统计分析方法    		 China National Standards
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    GB/T 40004-2021 Copper-silver alloy rectangUlar wire
    铜银合金扁线    		 China National Standards
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    GB/T 39989-2021 SUperelastic titanium-nickel shape memory alloy bar and wire
    超弹性钛镍形状记忆合金棒材和丝材    		 China National Standards
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    GB/T 39987-2021 PalladiUm ingots
    钯锭    		 China National Standards
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    GB/T 39985-2021 TitaniUm-nickel shape memory alloy plate
    钛镍形状记忆合金板材    		 China National Standards
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    GB/T 39981-2021 BUilding construction machinery and equipment—Portable,hand-held,internal combustion engine driven cut-off machines—Safety requirements
    建筑施工机械与设备 便携、手持、内燃机式切割机 安全要求    		 China National Standards
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    GB/T 39979-2021 General technical specification of indoor window decoration for bUilding
    建筑室内窗饰产品通用技术要求    		 China National Standards
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    GB/T 39978-2021 Nanotechnology—Resistivity of carbon nanotUbe powder—Four probe method
    纳米技术 碳纳米管粉体电阻率 四探针法    		 China National Standards
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    GB/T 39977-2021 General technical reqUirements for aquarium poly(methyl methacrylate) sheets
    水族馆用聚甲基丙烯酸甲酯板材通用技术要求    		 China National Standards
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    GB/T 39976-2021 Evaporation cooling oUtdoor air conditioning equipment
    蒸发冷却式新风空调设备    		 China National Standards
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    GB/T 39975-2021 AlUminum nitride ceramic dissipate heat substrates
    氮化铝陶瓷散热基片    		 China National Standards
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    GB/T 39974-2021 MagnesiUm partially stabilized zirconia ceramic element for oxygen measurement in molten steel
    钢水测氧用镁稳定氧化锆陶瓷元件    		 China National Standards
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    GB/T 39515.2-2021 AgricUltural and forestry machinery-Environmental requirements for sprayers-Part 2:Horizontal boom sprayers
    农林机械 喷雾机的环境要求 第2部分：水平喷杆式喷雾机    		 China National Standards
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    GB/T 38329.2-2021 Utility connections in port - Part 2: High and low voltage shore connection systems - Data communication for monitoring and control
    港口船岸连接 第2部分：高压和低压岸电连接系统 监测和控制的数据传输    		 China National Standards
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    GB/T 38051.1-2021 HoUsehold electric cooking appliances—Part 1：Ranges, ovens, steam ovens and grills—Methods for measuring performance
    家用烹饪电器 第1部分：电灶、烤箱、蒸箱和烤架 性能测试方法    		 China National Standards
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    GB/T 38047.2-2021 EvalUation methods for reliability on smart household appliances - Part 2: Special requirements for room air conditioners
    智能家用电器可靠性评价方法 第2部分：房间空气调节器的特殊要求    		 China National Standards
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    GB/T 38010.3-2021 Spectacle frames and sUnglasses electronic catalogue and identification—Part 3: Technical information
    眼镜架和太阳镜电子目录与识别 第3部分：技术信息    		 China National Standards
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    GB/T 38010.2-2021 Spectacle frames and sUnglasses electronic catalogue and identification—Part 2: Commercial information
    眼镜架和太阳镜电子目录与识别 第2部分：商业信息    		 China National Standards
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    GB/T 37162.3-2021 HydraUlic fluid power-Monitoring the level of particulate contamination of the fluid-Part 3:Use of the filter blockage technique
    液压传动 液体颗粒污染度的监测 第3部分：利用滤膜阻塞技术    		 China National Standards
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    GB/T 35205.5-2021 RoUgh-terrain trucks - Safety requirements and verificaiton - Part 5: Interface between variable-reach truck and integrated personnnel work platform
    越野叉车 安全要求及验证 第5部分：伸缩臂式叉车和集成式人员工作平台的连接装置    		 China National Standards
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    GB/T 34520.9-2021 Test methods of continUous silicon carbide fibers - Part 9: Carbon content
    连续碳化硅纤维测试方法 第9部分：碳含量    		 China National Standards
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    GB/T 31838.7-2021 Solid insUlating materials - Dielecteric and resistive properties - Part 7: Resistive properties(DC method) - Measurement of volume resistance and volume resistivity at elevated temperatures
    固体绝缘材料 介电和电阻特性 第7部分：电阻特性(DC方法) 高温下测量体积电阻和体积电阻率    		 China National Standards
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    GB/T 31838.6-2021 Solid insUlating materials—Dielectric and resistive properties—Part 6:Dielectric properties(AC method)—Relative permittivity and dielectric dissipation factor(frequencies 0.1Hz～10 MHz)
    固体绝缘材料 介电和电阻特性 第6部分：介电特性（AC方法） 相对介电常数和介质损耗因数（频率0.1Hz~10MHz）    		 China National Standards
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    GB/T 31838.5-2021 Solid insUlating materials - Dielectric and resistive properties - Part 5: Resistive properties(DC method) - Volume resistance and volume resistivity of impregnation and coating materials
    固体绝缘材料 介电和电阻特性 第5部分：电阻特性(DC方法) 浸渍和涂层材料的体积电阻和体积电阻率    		 China National Standards
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    GB/T 31070.3-2021 BUilding intercom systems—Part 3:Technical requirements for specific applications
    楼寓对讲系统 第3部分:特定应用技术要求    		 China National Standards
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    GB/T 29716.3-2021 Mechanical vibration and shock—Signal processing—Part 3:Methods of time-freqUency analysis
    机械振动与冲击 信号处理 第3部分：时频分析方法    		 China National Standards
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    GB/T 29317-2021 Terminology of electric vehicle charging/battery swap infrastrUcture
    电动汽车充换电设施术语    		 China National Standards
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    GB/T 28897-2021 Steel-plastic compoUnd pipes and fittings for fluid service
    流体输送用钢塑复合管及管件    		 China National Standards
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    GB/T 28775-2021 SynchronoUs belt drives - Pulley with T trapezoidal profile system
    同步带传动 T型梯形齿同步带轮    		 China National Standards
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    GB/T 28774-2021 SynchronoUs belt drives—Belts with T trapezoidal profile system
    同步带传动 T型梯形齿同步带    		 China National Standards
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    GB/T 28543-2021 Noise measUrement method on power capacitors
    电力电容器噪声测量方法    		 China National Standards
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    GB/T 27800-2021 Determination of the life for static sealing rUbber products
    静密封橡胶制品使用寿命的快速预测方法    		 China National Standards
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    GB/T 27021.3-2021 Conformity assessment - ReqUirements for bodies providing audit and certification of management systems - Part 3: Competence requirements for auditing and certification of quality management systems
    合格评定 管理体系审核认证机构要求 第3部分：质量管理体系审核与认证能力要求    		 China National Standards
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    GB/T 27021.2-2021 Conformity assessment - ReqUirements for bodies providing audit and certification of management systems - Part 2: Competence requirements for auditing and certification of environmental management systems
    合格评定 管理体系审核认证机构要求 第2部分：环境管理体系审核与认证能力要求    		 China National Standards
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    GB/T 25301-2021 Resistance welding eqUipment - Transformers - General specifications applicable to all transformers
    电阻焊设备 变压器 适用于所有变压器的通用技术条件    		 China National Standards
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    GB/T 24817.2-2021 Cranes-Control layoUt and characteristics-Part 2:Moblie cranes
    起重机 控制装置布置形式和特性 第2部分：流动式起重机    		 China National Standards
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    GB/T 24673-2021 Small-size gasoline engine direct-link centrifUgal pumps unit
    小型汽油机直联离心泵机组    		 China National Standards
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    GB/T 24619-2021 SynchronoUs belt drives - Curvilinear profile systems　G, H, R and S belts and pulleys
    同步带传动 G、H、R、S齿型曲线齿同步带与带轮    		 China National Standards
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    GB/T 24279.2-2021 Textiles - Determination of certain flame retardants - Part 2: PhosphorUs flame retardants
    纺织品 某些阻燃剂的测定 第2部分:磷系阻燃剂    		 China National Standards
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    GB/T 23902-2021 Non-destrUctive testing - Ultrasonic testing - Time-of-flight diffraction technique as a method for detection and sizing of discontinuities
    无损检测 超声检测 超声衍射声时技术检测和评价方法    		 China National Standards
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    GB/T 23537-2021 SUperabrasive products - Grinding wheels and mounted points with diamond or cubic boron nitride - Limit deviations and run-out tolerances
    超硬磨料制品 金刚石或立方氮化硼砂轮和磨头 极限偏差和圆跳动公差    		 China National Standards
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    GB/T 23293-2021 Nitride bonded refractory prodUcts and their related mortars
    氮化物结合耐火制品及其配套耐火泥浆    		 China National Standards
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    GB/T 22889-2021 Leather—Physical and mechanical tests—Determination of sUrface coating thickness
    皮革 物理和机械试验 表面涂层厚度的测定    		 China National Standards
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    GB/T 22888-2021 Leather - Physical and mechanical tests - Determination of cold crack temperatUre of surface coatings
    皮革 物理和机械试验 表面涂层低温脆裂温度的测定    		 China National Standards
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    GB/T 22808-2021 Leather and fUr-Chemical tests-Determination of chlorinated phenols content
    皮革和毛皮 化学试验 含氯苯酚的测定    		 China National Standards
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    GB/T 22685-2021 Packaging and label on controls for hoUsehole and similar use
    家用和类似用途控制器的包装和标志    		 China National Standards
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    GB/T 17934.8-2021 Graphic technology—Process control for the prodUction of half-tone colour separations, proof and production prints—Part 8:Validation print processes working directly from digital data
    印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第8部分：直接使用数字数据的验证印刷品制作过程    		 China National Standards
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    GB/T 17934.7-2021 Graphic technology—Process control for the prodUction of half-tone colour separations,proof and production prints—Part 7:Proofing processes working directly from digital data
    印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第7部分：直接使用数字数据的打样过程    		 China National Standards
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    GB/T 17934.2-2021 Graphic technology—Process control for the prodUction of half-tone colour separations,proof and production prints—Part 2:Offset lithographic processes
    印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第2部分：平版胶印    		 China National Standards
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    GB/T 17934.1-2021 Graphic technology-Process control for the prodUction of half-tone colour separations，proof and production prints-Part 1:Parameters and measurement methods
    印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第1部分：参数与测量方法    		 China National Standards
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    GB/T 17909.2-2021 Cranes - Crane operating manUal - Part 2: Mobile cranes
    起重机 起重机操作手册 第2部分：流动式起重机    		 China National Standards
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    GB/T 17751-2021 SUrvey-evaluation method of energy utilization for transport ships
    运输船舶能源利用监测评价方法    		 China National Standards
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    GB/T 17739.2-2021 Microfilming of technical drawings and other drawing office docUments—Part 2:Quality criteria and control of 35 mm silver gelatin microfilms
    技术图样与技术文件的缩微摄影 第2部分: 35mm银-明胶型缩微品的质量准则与控制    		 China National Standards
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    GB/Z 17624.3-2021 Electromagnetic compatibility - General - Part 3: The effects of high-altitUde EMP(HEMP) on civil equipment and systems
    电磁兼容 综述 第3部分：高空电磁脉冲(HEMP)对民用设备和系统的效应    		 China National Standards
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    GB/T 16828-2021 Bar code for commodity—Global location nUmbering and bar code marking
    商品条码 参与方位置编码与条码表示    		 China National Standards
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    GB/T 16754-2021 Safety of machinery—Emergency stop fUnction—Principles for design
    机械安全 急停功能 设计原则    		 China National Standards
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    GB/T 16458-2021 Terminology for abrasives and abrasive prodUcts
    磨料磨具术语    		 China National Standards
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    GB/T 15972.47-2021 Specifications for optical fibre test method - Part 47: MeasUrement methods and test procedures for transmission characteristics - Macrobending loss
    光纤试验方法规范 第47部分：传输特性的测量方法和试验程序 宏弯损耗    		 China National Standards
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    GB/T 15242.4-2021 Dimensions series of rod and piston dynamic seals for hydraUlic cylinders-Part 4:Dimensions and tolerances of bearing rings groove
    液压缸活塞和活塞杆动密封装置尺寸系列 第4部分：支承环安装沟槽尺寸系列和公差    		 China National Standards
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    GB/T 15242.3-2021 Dimensions series of rod and piston dynamic seals for hydraUlic cylinders-Part 3:Dimensions and tolerances of groove for co-axial seals
    液压缸活塞和活塞杆动密封装置尺寸系列 第3部分：同轴密封件沟槽尺寸系列和公差    		 China National Standards
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    GB/T 14949.5-2021 Manganese ores一Determination of titaniUm content一Diantipyrylmethane spectrophotometric method
    锰矿石 钛含量的测定 二安替吡啉甲烷分光光度法    		 China National Standards
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    GB/T 14290-2021 RoUnd baler
    圆草捆打捆机    		 China National Standards
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    GB/T 14229-2021 Test method of sUrface contact strength for gear load capacity
    齿轮接触疲劳强度试验方法    		 China National Standards
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    GB/T 13469-2021 Economical operation for centrifUgal，mixed flow and axial flow pump systems
    离心泵、混流泵与轴流泵系统经济运行    		 China National Standards
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    GB/T 13173-2021 SUrface active agents - Test methods for detergents
    表面活性剂 洗涤剂试验方法    		 China National Standards
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    GB/T 13163.2-2021 Radiation protection instrUmentation—Radon and radon decay product measuring instruments—Part 2:Specific requirements for 222Rn and 220Rn measuring instruments
    辐射防护仪器 氡及氡子体测量仪 第2部分：222Rn和220Rn测量仪的特殊要求    		 China National Standards
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    GB/T 12807-2021 Laboratory glassware-GradUated pipettes
    实验室玻璃仪器 分度吸量管    		 China National Standards
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    GB/T 12773-2021 Valve steel and sUperalloy bars for internal combustion engines
    内燃机气阀用钢及合金棒材    		 China National Standards
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    GB/T 12703.2-2021 Textiles - Test methods for electrostatic propensity - Part 2: Test method Using manual friction
    纺织品 静电性能试验方法 第2部分：手动摩擦法    		 China National Standards
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    GB/T 12703.1-2021 Textiles - Test methods for electrostatic propensity - Part 1: Test method Using corona charging
    纺织品 静电性能试验方法 第1部分：电晕充电法    		 China National Standards
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    GB/T 12604.7-2021 Non-destrUctive testing - Terminology - Leak testing
    无损检测 术语 泄漏检测    		 China National Standards
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    GB/T 12604.6-2021 Non-destrUctive testing—Terminology—Eddy current testing
    无损检测 术语 涡流检测    		 China National Standards
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    GB/T 12363-2021 Classification of forging fUnctions
    锻件功能分类    		 China National Standards
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    GB/T 12265-2021 Safety of machinery—MinimUm gaps to avoid crushing of parts of the human body
    机械安全 防止人体部位挤压的最小间距    		 China National Standards
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    GB/T 12190-2021 Method for measUring the shielding effectiveness of electromagnetic shielding enclosures
    电磁屏蔽室屏蔽效能的测量方法    		 China National Standards
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    GB/T 11362-2021 SynchronoUs belt drives—Calculation of power rating and drive center distance with belts pitch codes MXL,XXL,XL,L,H,XH and XXH
    同步带传动 节距型号MXL，XXL，XL，L，H，XH和XXH梯形齿同步带额定功率和传动中心距计算    		 China National Standards
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    GB/T 11344-2021 Non-destrUctive testing—Ultrasonic thickness measurement
    无损检测 超声测厚    		 China National Standards
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    GB/T 11270.2-2021 SUperabrasive products—Diamond circular saw blade—Part 2:Sintered saw blades
    超硬磨料制品 金刚石圆锯片 第2部分：烧结锯片    		 China National Standards
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    GB/T 11270.1-2021 SUperabrasive products-Diamond circular saw blade-Part 1:Welded saw blades
    超硬磨料制品 金刚石圆锯片 第1部分：焊接锯片    		 China National Standards
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    GB/T 10067.36-2021 Basic specification for electroheating and electromagnetic processing installations—Part 36:IndUction through-heating installations
    电热和电磁处理装置基本技术条件 第36部分：感应透热装置    		 China National Standards
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    GB/T 10066.32-2021 Test methods for electroheating and electromagnetic processing installations-Part 32:IndUction through-heating installations
    电热和电磁处理装置的试验方法 第32部分：感应透热装置    		 China National Standards
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    GB/T 9966.9-2021 Test methods for natUral stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency
    天然石材试验方法 第9部分：通过测量共振基本频率测定动力弹性模数    		 China National Standards
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    GB/T 9966.13-2021 Test methods for natUral stone—Part 13:Determination of water absorption coefficient by capillarity
    天然石材试验方法 第13部分：毛细吸水系数的测定    		 China National Standards
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    GB/T 9966.11-2021 Test methods for natUral stone—Part 11: Determination of resistance to ageing by cold and thermal shock
    天然石材试验方法 第11部分：激冷激热加速老化强度测定    		 China National Standards
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    GB/T 9481-2021 Axial-flow pUmp of medium-small size
    中小型轴流泵    		 China National Standards
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    GB/T 8366-2021 Resistance welding—Resistance welding eqUipment—Mechanical and electrical requirements
    电阻焊 电阻焊设备 机械和电气要求    		 China National Standards
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    GB/T 8243.12-2021 Methods of test for fUll-flow lubricating oil filters for internal combustion engines—Part 12: Filtration efficiency using particle counting and contaminant retention capacity
    内燃机全流式机油滤清器试验方法 第12部分：颗粒计数法滤清效率和容灰量    		 China National Standards
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    GB/T 8152.15-2021 Methods for chemical analysis of lead concentrates—Part 15:Determination of solUble lead content—Flame atomic absorption spectrometry
    铅精矿化学分析方法 第15部分：可溶性铅含量的测定 火焰原子吸收光谱法    		 China National Standards
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    GB/T 6577-2021 Types,dimensions and tolerances of groove for seals with bearing rings for hydraUlic cylinders piston
    液压缸活塞用带支承环密封沟槽型式、尺寸和公差    		 China National Standards
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