2021 year China issued GB standards list


	GB/T 5095.2303-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-3:Screening and filtering tests—Test 23c：Shielding effectiveness of connectors and accessories—Line injection method 电子设备用机电元件基本试验规程及测量方法第23-3部分：屏蔽和滤波试验试验23c：连接器和附件的屏蔽效果线注入法
	GB/T 5095.2304-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-4: Screening and filtering tests—Test 23d: Transmission line reflections in the time domain 电子设备用机电元件基本试验规程及测量方法第23-4部分：屏蔽和滤波试验试验23d：时域内传输线的反射
	GB/T 5095.2307-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-7: Screening and filtering tests—Test 23g: Effective transfer impedance of connectors 电子设备用机电元件基本试验规程及测量方法第23-7部分：屏蔽和滤波试验试验23g：连接器的有效转移阻抗
	GB/T 5095.2501-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-1: Test 25a: Crosstalk ratio 电子设备用机电元件基本试验规程及测量方法第25-1部分：试验25a：串扰比
	GB/T 40415-2021 Determination of light transmittance for the photovoltaic glass module used in building 建筑用光伏玻璃组件透光率测试方法
	GB/T 40412-2021 Military and civilian common resource—Data carrier identification requirements 军民通用资源数据载体标识要求
	GB/T 40342-2021 Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire 钢丝热镀锌铝合金镀层中铝含量的测定
	GB/T 40425.1-2021 Electric vehicle top contact charging system—Part 1: General requirements 电动客车顶部接触式充电系统第1部分：通用要求
	GB/T 21419-2021 Transformers, power supplies, reactors and similar products—EMC requirements 变压器、电源装置、电抗器及其类似产品电磁兼容（EMC）要求
	GB/T 41249-2021 Industrial assistance—Guidance for operation management of “pig-biogas-fruit (grain and vegetable)”circular agricultural project 产业帮扶 “猪-沼-果（粮、菜）” 循环农业项目运营管理指南
	GB/T 40443-2021 Household electrical appliances suitable for older persons—General technical requirements 适用于老年人的家用电器通用技术要求
	GB/T 40440-2021 Plastics—Extruded sheets of impact-modified acrylonitrile-styrene copolymers(ABS,AEPDS and ASA)—Requirements and test methods 塑料制品抗冲击改性丙烯腈-苯乙烯共聚物(ABS、AEPDS和ASA)挤出板材要求和试验方法
	GB/T 40439-2021 Smart household appliances system for older persons’assisted living—Architecture model 用于老年人生活辅助的智能家电系统架构模型
	GB/T 17743-2021 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
	GB/T 20303.5-2021 Cranes—Cabins and control stations—Part 5: Overhead travelling and portal bridge cranes 起重机司机室和控制站第5 部分:桥式和门式起重机
	GB/T 40434-2021 Rectification equipment for charging industrial batteries 工业电池充电整流设备
	GB/T 41205.1-2021 Code and attribute description of emergency supplies -- Part 1: Personal protective equipment 应急物资编码与属性描述第1部分：个体防护装备
	GB/T 41042-2021 Guidance for utilization and classification of content of valuable elements in coal 煤中有价元素含量分级及应用导则
	GB/T 40385-2021 Non-destructive testing of steel tubes—Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfections 钢管无损检测焊接钢管焊缝缺欠的数字射线检测
	GB/T 18916.60-2021 Norm of water intake -- Part 60: Silicone 取水定额第60部分：有机硅

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