2020 year China issued GB standards list


	GB/T 39165-2020 Test method of peel and chisel for resistance spot and projection welds 电阻点焊及凸焊接头的剥离和凿离试验方法
	GB/T 39560.701-2020 Determination of certain substances in electrical and electronic products—Part 7-1:Hexavalent chromium—Presence of hexavalent chromium [Cr(VI)] in colourless and coloured corrosion-protected coatings on metals by the colorimetric method 电子电气产品中某些物质的测定第7-1部分：六价铬比色法测定金属上无色和有色防腐镀层中的六价铬[Cr(VI)]
	GB/T 39142.1-2020 Specification of plastic-steel bilayer self-lubricating materials—Part 1：Running-in layer with modified PTFE tape 塑料－钢背二层粘接复合自润滑板材技术条件第1部分：带改性聚四氟乙烯（PTFE）减摩层的板材
	GB 9706.228-2020 Medical electrical equipment—Part 2-28: Particular requirements for the basic safety and essential performance of X-ray tube assemblies for medical diagnosis 医用电气设备第2-28部分：医用诊断X射线管组件的基本安全和基本性能专用要求
	GB/T 26017-2020 High purity copper 高纯铜
	GB/T 39561.7-2020 Interconnection and interoperation of numerical control equipment—Part 7 : Testing and evaluation of industrial robot 数控装备互联互通及互操作第7部分：工业机器人测试与评价
	GB/T 39169-2020 Blanks for diamond circular saw blade—Mounting and fixing bores—Building construction and civil engineering 金刚石圆锯片基体安装和固定孔建筑施工和土木工程
	GB/T 8760-2020 Test method for dislocation density of monocrystal gallium arsenide 砷化镓单晶位错密度的测试方法
	GB/T 39134-2020 Industrial robot numerical control system of machine tool—Programming language 机床工业机器人数控系统编程语言
	GB/T 39659-2020 Rarely-used Chinese character encoding with structure for numeric key 生僻汉字结构数字键编码
	GB/T 23004-2020 Reference architecture for integration of informatization and industrialization ecosystem 信息化和工业化融合生态系统参考架构
	GB/T 28599-2020 Determination of phthalate esters in cosmetics 化妆品中邻苯二甲酸酯类物质的测定
	GB/T 25068.2-2020 Information technology—Security techniques—Network security—Part 2: Guidelines for the design and implementation of network security 信息技术安全技术网络安全第2部分：网络安全设计和实现指南
	GB 39220-2020 Limits and monitoring methods of total electric field of DC transmission project 直流输电工程合成电场限值及其监测方法
	GB/T 39682-2020 Fine ceramics—Determination of elastic modulus at high temperature or ultra-high temperature—Split ring relative method 精细陶瓷高温和超高温弹性模量的测定缺口环相对法
	GB/T 23797-2020 Surveillance methods for vector density—Mosquito 病媒生物密度监测方法蚊虫
	GB/T 39493-2020 Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Pressure regulators 燃气燃烧器和燃烧器具用安全和控制装置特殊要求压力调节装置
	GB 29938-2020 National food safety standard - General principles for Food spices 食品安全国家标准食品用香料通则
	GB/T 39214-2020 Integrity requirements of section fabrication for ship 船舶总段制造完整性要求
	GB/T 39494-2020 Determination for coating adhesion of rare earth permanent magnetic materials for drive motor of new energy vehicle 新能源汽车驱动电机用稀土永磁材料表面涂镀层结合力的测定

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