2021 year China issued GB standards list


	GB/T 40346-2021 Equipment for crop protection—Method for measurement of potential spray drift from horizontal boom sprayers by the use of a test bench 植物保护机械水平喷杆喷雾机潜在喷雾漂移试验台测量方法
	GB/T 40340-2021 Composites and metal assemblies—Galvanic corrosion tests of carbon fibre reinforced plastics (CFRPs) related bonded or fastened structures in artificial atmospheres—Salt spray tests 复合材料与金属组合件碳纤维增强聚合物基复合材料胶接或紧固件连接结构人工环境下的电偶腐蚀试验盐雾试验
	GB/T 33598.3-2021 Recovery of traction battery used in electric vehicle—Recycling—Part 3:Specification for discharging 车用动力电池回收利用再生利用第3部分：放电规范
	GB/T 40353-2021 Air filter paper 空气过滤纸
	GB/T 40344.2-2021 Vacuum technology—Standard methods for measuring vacuum-pump performance— Part 2：Positive displacement vacuum pumps 真空技术真空泵性能测量标准方法第2部分：容积真空泵
	GB/T 40742.2-2021 Geometrical product specifications (GPS)—Geometrical precision verification—Part 2：Verification of form characteristics, orientation characteristics, position characteristics, run-out characteristics and profile characteristics 产品几何技术规范（GPS）几何精度的检测与验证第2部分：形状、方向、位置、跳动和轮廓度特征的检测与验证
	GB/T 40742.3-2021 Geometrical product specifications (GPS)—Geometrical precision verification—Part 3:Functional gauges and fixtures—Verification when applying maximum material requirements and minimum material requirements 产品几何技术规范（GPS）几何精度的检测与验证第3部分：功能量规与夹具应用最大实体要求和最小实体要求时的检测与验证
	GB/T 40344.1-2021 Vacuum technology—Standard methods for measuring vacuum-pump performance—Part 1：General description 真空技术真空泵性能测量标准方法第1部分：总体要求
	GB/T 40810.1-2021 Geometrical product specifications (GPS)—Online measurement in process—Part 1:Online verification of geometric features (size and surface texture) 产品几何技术规范（GPS）生产过程在线测量第1部分：几何特征（尺寸、表面结构）的在线检测与验证
	GB/T 40810.2-2021 Geometrical product specifications (GPS)—Online measurement in process—Part 2：Online verifications of geometric features（form and position）产品几何技术规范（GPS）生产过程在线测量第2部分：几何特征（形位）的在线检测与验证
	GB/T 1687.4-2021 Rubber,vulcanized—Determination of temperature rise and resistance to fatigue in flexometer testing—Part 4: Constant-stress flexometer 硫化橡胶在屈挠试验中温升和耐疲劳性能的测定第4部分：恒应力屈挠试验
	GB/T 40343-2021 Intelligent laboratory—Information management system—Functional requirements 智能实验室信息管理系统功能要求
	GB/T 40341-2021 High strength and toughness alloy structure steel bars for deep sea oil field drilling and exploiting 深海油田钻采用高强韧合金结构钢棒
	GB/T 39560.4-2021 Determination of certain substances in electrical and electronic products—Part 4: Mercury in polymers, metals and electronics by CV-AAS, CV-AFS , ICP-OES and ICP-MS 电子电气产品中某些物质的测定第4部分：CV-AAS、CV-AFS、ICP-OES和ICP-MS测定聚合物、金属和电子件中的汞
	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
	GB/T 39560.702-2021 Determination of certain substances in electrical and electronic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colormetric method 电子电气产品中某些物质的测定第7-2部分：六价铬比色法测定聚合物和电子件中的六价铬[Cr（VI）]
	GB/T 40856-2021 Technical requirements and test methods for cybersecurity of on-board information interactive system 车载信息交互系统信息安全技术要求及试验方法
	GB/T 40383-2021 Hot-rolled twin-roll cast carbon steel sheet and strip of commercial quality 商品级双辊铸轧热轧碳素钢薄钢板及钢带
	GB/T 40428-2021 Electromagnetic compatibility requirements and test methods of conductive charging for electric vehicles 电动汽车传导充电电磁兼容性要求和试验方法
	GB/T 6346.24-2021 Fixed capacitors for use in electronic equipment—Part 24: Sectional specification—Fixed tantalum electrolytic surface mount capacitors with conductive polymer solid electrolyte 电子设备用固定电容器第24部分：分规范表面安装导电聚合物固体电解质钽固定电容器

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