2021 year China issued GB standards list


	GB/T 18216.3-2021 Electrical safety in low voltage distribution systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance 交流1000V和直流1500V及以下低压配电系统电气安全防护措施的试验、测量或监控设备第3部分：环路阻抗
	GB/T 18818-2021 Inspecting specification for railway wagon dumper and bulk cargo unfreezing warehouse 铁路货车翻车机和散装货物解冻库检测技术条件
	GB/T 40762-2021 Evaluation specification of administrative service satisfaction 政务服务满意度评价规范
	GB/T 51443-2021 Standard for process design of indium recovery 铟冶炼回收工艺设计标准
	GB/T 40121-2021 Technical product documentation—Representation of product residual stress symbol 技术产品文件产品残余应力符号表示法
	GB/T 40124-2021 Technical requirements and test methods of regenerated sulphuric acid 再生硫酸技术要求及试验方法
	GB/T 40657-2021 Public telecom network—Test methods for smart home application 公众电信网智能家居应用测试方法
	GB/T 4678.15-2021 Die casting dies—Components—Part 15: Spacer blocks 压铸模零件第15部分：垫块
	GB/T 40797-2021 Rubber, vulcanized or thermoplastic -- Determination of resistance to abrasion -- Driven, vertical abrasive disc method 硫化橡胶或热塑性橡胶耐磨性能的测定垂直驱动磨盘法
	GB/T 40001-2021 General technical rules of evaluation for food packaging 食品包装评价技术通则
	GB/T 40047-2021 Personal protective equipment-Eye and face protection for sports use-Ski goggles 个体防护装备运动眼面部防护滑雪镜
	GB/T 40002-2021 Sensory analysis—Service condition for the wine-tasting glass 牙膏对口腔硬组织的安全评价
	GB/T 1425-2021 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis 贵金属及其合金熔化温度范围的测定热分析试验方法
	GB/T 40291-2021 Nuclear instrumentation—High-purity germanium crystals for radiation detectors—Measurement methods of basic characteristics 核仪器仪表辐射探测器用高纯度锗晶体基本特性的测量方法
	GB/T 40190-2021 Determination of forbidden bleach in toothpaste—High performance liquid chromatography method 牙膏中禁用漂白剂的测定高效液相色谱法
	GB/T 40306-2021 Packaging—Accessible design—Ease of opening 包装无障碍设计易于开启
	GB/T 40294-2021 Methods for determining electrically excited synchronous machine quantities from tests 确定电励磁同步电机参数的试验方法
	GB/T 40011-2021 Pilot safety valve for cryogenic fluid service 低温先导式安全阀
	GB/T 40012-2021 Customization—Taxonomy guideline 个性化定制分类指南
	GB/T 40335-2021 Non-destructive testing—Leak testing—Tracer gas method 无损检测泄漏检测示踪气体方法

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