2021 year China issued GB standards list


	GB 9706.208-2021 Medical electrical equipment—Part 2-8:Particular requirements for the basic safety and essential performance of therapeutic X-ray equipment operating in the range 10 kV to 1 MV 医用电气设备第2-8部分：能量为10kV至1MV 治疗X射线设备的基本安全和基本性能专用要求
	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 12604.6-2021 Non-destructive testing—Terminology—Eddy current testing 无损检测术语涡流检测
	GB/T 12604.7-2021 Non-destructive testing - Terminology - Leak testing 无损检测术语泄漏检测
	GB/T 40314-2021 Corrosion of metals and alloys—Crevice corrosion formers with disc springs for flat specimens or tubes made from stainless steel 金属和合金的腐蚀适用于不锈钢平板或管状试样的碟形弹簧缝隙腐蚀构型
	GB/T 1551-2021 Test method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method 硅单晶电阻率的测定直排四探针法和直流两探针法
	GB/T 40674-2021 Fireworks and firecrackers—Evaluation method of environmental protection 烟花爆竹环保评价方法
	GB/T 40786.2-2021 Information technology—Telecommunications and information exchange between systems—Low voltage power line communication—Part 2: Data link 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2部分:数据链路层规范
	GB/T 40085-2021 Navigation electronic map - Division network model 导航电子地图分区网络模型
	GB/T 40562-2021 Potentiometers for use in electronic equipment—Part 6:Sectional specification—Surface mount preset potentiometers 电子设备用电位器第6部分：分规范表面安装预调电位器
	GB/T 40091-2021 Requirements for safety measures of relaying protection and security automatic equipment in smart substation 智能变电站继电保护和电网安全自动装置安全措施要求
	GB/T 21543-2021 Feed additives—Flavorings—General principles 饲料添加剂调味剂通用要求
	GB/T 40747-2021 Determination of fermentable organic matter(FOM) of ruminant feedstuffs in rumen 饲料瘤胃可发酵有机物(FOM)测定方法
	GB 7300.501-2021 Feed additives—Part 5:Live microorganisms—Saccharomyces cerevisiae 饲料添加剂第5部分：微生物酿酒酵母
	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 39907-2021 Dimensions and technical requirements of fruit and vegetable cycling container 果蔬类周转箱尺寸系列及技术要求
	GB/T 40300-2021 Microbeam analysis—Analytical electron microscopy—Vocabulary 微束分析分析电子显微学术语
	GB/T 1029-2021 Test procedures for three-phase synchronous machines 三相同步电机试验方法
	GB/T 40750-2021 Biogas slurry for agricultural use 农用沼液
	GB/T 2351-2021 Fluid power systems and components-Outside diameters of tubes and inside diameters of hoses 流体传动系统及元件硬管外径和软管内径

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