2021 year China issued GB standards list


	GB/T 11019-2021 Nickel coated round copper wire 镀镍圆铜线
	GB/T 40699-2021 Requirements of launch vehicle to electrical ground support equipment interfaces 运载火箭与地面支持设备电气接口要求
	GB/T 5169.20-2021 Fire hazard testing for electric and electronic products—Part 20: Surface spread of flame—Summary and relevance of test methods 电工电子产品着火危险试验第20部分：火焰表面蔓延试验方法概要和相关性
	GB/T 30845.2-2021 Plugs, socket-outlets and ship couplers for high-voltage shore connection systems (HVSC-systems)—Part 2: Dimensional compatibility and interchangeability requirements for accessories to be used by various types of ships 高压岸电连接系统(HVSC系统)用插头、插座和船用耦合器　第2部分：不同类型的船舶用附件的尺寸兼容性和互换性要求
	GB/T 40639-2021 Determination of banned trichloroacetic acid in cosmetics 化妆品中禁用物质三氯乙酸的测定
	GB/T 39715.4-2021 Plastics—Biobased content—Part 4: Determination of biobased mass content 塑料生物基含量第4部分：生物基物质含量的测定
	GB/T 36450.8-2021 Information technology—Storage management—Part 8: Media libraries 信息技术存储管理第8部分：媒体库
	GB/T 40065-2021 Specification for circular sharing management of fruit and vegetable cycling container 果蔬类周转箱循环共用管理规范
	GB/T 40807-2021 Production equipment for microsystems—Interface between end effector and handling system 微系统用生产设备末端执行器与处理器的接口
	GB/T 40202-2021 Requirements for logistics information interchange in cross-border e-commerce 跨境电子商务物流信息交换要求
	GB/T 40690-2021 Information technology—Cloud computing—Jointcloud computing reference architecture 信息技术云计算云际计算参考架构
	GB/T 39715.1-2021 Plastics—Biobased content—Part 1: General principles 塑料生物基含量第1部分：通用原则
	GB/T 40860-2021 Analysis requirements for design extension conditions of pressurized water reactor nuclear power plants 压水堆核电厂设计扩展工况分析要求
	GB/T 40845-2021 Determination of azelaic acid in cosmetics—Gas chromatography method 化妆品中壬二酸的检测气相色谱法
	GB/T 40806-2021 Airborne noise emitted by machine tools—Operating conditions for metal-cutting machines 机床发射空气传播噪声金属切削机床的操作条件
	GB/T 38206.4-2021 Methods to assess the reliability of pneumatic components—Part 4: Pressure regulators 气动元件可靠性评估方法第 4 部分：调压阀
	GB/T 29614-2021 Vulcanized rubber—Determination the content of polycyclic aromatic hydrocarbons 硫化橡胶多环芳烃含量的测定
	GB/T 40279-2021 Test method for thickness of films on silicon wafer surface—Optical reflection method 硅片表面薄膜厚度的测试光学反射法
	GB/T 40732-2021 Non-destructive testing of welds—Ultrasonic testing—Testing of welds in austenitic steels and nickel-based alloys 焊缝无损检测超声检测奥氏体钢和镍基合金焊缝检测
	GB/T 40280-2021 Plastics—Resins in the liquid state or as emulsions or dispersions—Determination of apparent viscosity using a single cylinder type rotational viscometer method 塑料液态或乳液态或分散体系的树脂用单筒旋转黏度计测定表观黏度

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