2021 year China issued GB standards list


	GB/T 25629-2021 Hydraulic excavator—Central turning joint 液压挖掘机中央回转接头
	GB/T 16399-2021 Methods for chemical analysis of clay 黏土化学分析方法
	GB/T 40820-2021 Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles 电动汽车模式3充电用直流剩余电流检测电器（RDC-DD）
	GB/T 9098-2021 Methods for the determination of prohibited substances in furniture products and related materials—Certain phthalate esters 电冰箱用全封闭型电动机-压缩机
	GB/T 7424.23-2021 Optical fibre cable generic specification—Part 23：Basic optical cable test procedures—Cable element test methods 光缆总规范第23部分：光缆基本试验方法光缆元构件试验方法
	GB/T 40832-2021 Determination of mangiferin in mango leaves—High performance liquid chromatography 芒果叶中芒果苷的测定高效液相色谱法
	GB/T 40458-2021 Specification of nucleic acid extraction used for high-throughput detection of pathogenic microorganisms 用于病原微生物高通量检测的核酸提取技术规范
	GB/T 39926-2021 Hydraulic fluid power—Filter element test methods—Thermal conditioning and cold start-up simulation 液压传动滤芯试验方法热工况和冷启动模拟
	GB/T 39935-2021 Plastics—Film and sheeting—Determination of blocking resistance 塑料制品薄膜和片材抗粘连性的测定
	GB/T 17901.3-2021 Information technology—Security techniques—Key management—Part 3: Mechanisms using asymmetric techniques 信息技术安全技术密钥管理第3部分：采用非对称技术的机制
	GB/T 12690.7-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 7: Determination of silicon content 稀土金属及其氧化物中非稀土杂质化学分析方法第7部分：硅量的测定
	GB/T 40197-2021 Specification for production technology of drone pupae 雄蜂蛹生产技术规范
	GB/T 40761-2021 Sustainable cities and communities -- Transforming our cities -- Guidance for practical local implementation of GB/T 40759 城市和社区可持续发展--改变我们的城市 GB/T 40759本地实施指南
	GB/T 39895-2021 Remanufactured automotive components—Specifications of labels 汽车零部件再制造产品标识规范
	GB/T 39912-2021 Science and technology program-generated scientific data archiving—Technical and management specification 科技计划形成的科学数据汇交技术与管理规范
	GB/T 40501-2021 General condition of vehicle dynamics test for passenger cars 轻型汽车操纵稳定性试验通用条件
	GB/T 39905-2021 Regional brand valuation -- Industrial clusters 区域品牌价值评价产业集聚区
	GB/T 20969.5-2021 Special environmental condition—Machinery for plateau—Part 5:Guide rule of test for plateau natural environment—Construction machinery 特殊环境条件高原机械第5部分：高原自然环境试验导则工程机械
	GB/T 39943-2021 Selection and design for food packaging LED灯串性能要求
	GB/T 39560.5-2021 Determination of certain substances in electrical and electronic products—Part 5: Cadmium，lead and chromium in polymers and electronics and cadmium and lead in metals by AAS，AFS，ICP-OES and ICP-MS 电子电气产品中某些物质的测定第5部分： AAS、AFS、ICP-OES和ICP-MS法测定聚合物和电子件中镉、铅、铬以及金属中镉、铅的含量

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