2021 year China issued GB standards list


	GB/T 11888-2021 首饰指环尺寸定义、测量和命名首饰指环尺寸定义、测量和命名
	GB/T 18996-2021 Silver jewellery alloys—Determination of silver—Volumetric (potentiometric) method using sodium chloride or potassium chloride 银合金首饰银含量的测定氯化钠或氯化钾容量法(电位滴定法)
	GB/T 40758-2021 Sustainable cities and communities -- Vocabulary 城市和社区可持续发展术语
	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 40719-2021 Rubber,vulcanized or themoplastic—Determination of volume and/or surface resistivity 硫化橡胶或热塑性橡胶体积和/或表面电阻率的测定
	GB/T 40790-2021 Sintered cerium-based and cerium-rich permanent magnet materials 烧结铈及富铈永磁材料
	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 40786.1-2021 Information technology—Telecommunications and information exchange between systems—Low voltage power line communication—Part 1: Physical layer specification 信息技术系统间远程通信和信息交换低压电力线通信第1部分：物理层规范
	GB/T 40688-2021 Internet of things -- Data interface of vital signs sensing devices 物联网生命体征感知设备数据接口
	GB/T 3836.32-2021 Explosive atmospheres—Part 32:Intrinsically safe systems with electronically controlled spark duration limitation 爆炸性环境第32部分：电子控制火花时限本质安全系统
	GB/T 40574-2021 General specification of inspection robot for large industrial pressure equipments 大型工业承压设备检测机器人通用技术条件
	GB/T 40751-2021 Detection and identification of Agrilus planipennis Fairmaire 花曲柳窄吉丁检疫鉴定方法
	GB/T 40631-2021 Quality grade of pistachio nut 阿月浑子（开心果）坚果质量等级
	GB/T 40779-2021 Information technology—Telecommunications and information exchange between systems—Low-voltage power line communication protocol for urban street light access 信息技术系统间远程通信和信息交换应用于城市路灯接入的低压电力线通信协议
	GB/T 40822-2021 Road vehicles—Unified diagnostic services 道路车辆统一的诊断服务
	GB/T 39851.3-2021 Road vehicles—Diagnostic communication over Controller Area Network (DoCAN)—Part 3:Requirements for emissions-related systems 道路车辆基于控制器局域网的诊断通信第3部分：排放相关系统的需求
	GB/T 38775.7-2021 Electric vehicle wireless power transfer—Part 7:Interoperability requirements and testing—Vehicle side 电动汽车无线充电系统第7部分：互操作性要求及测试车辆端
	GB/T 38775.5-2021 Electric vehicle wireless power transfer—Part 5:Electromagnetic compatibility requirements and test methods 电动汽车无线充电系统第5部分：电磁兼容性要求和试验方法
	GB/T 40673-2021 Timekeeping instruments—Conditions for carrying out checks on radioluminescent deposits 计时仪器辐射发光涂层检验条件
	GB/T 20412-2021 Fused calcium magnesium phosphate fertilizer 钙镁磷肥

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