2021 year China issued GB standards list


	GB/T 40793-2021 Nonmetallic coatings for sintered neodymium iron boron permanent magnets 烧结钕铁硼表面涂层
	GB/T 40597-2021 Power quality planning—General 电能质量规划总则
	GB/T 40791-2021 Non-destructive testing of steel tubes—Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections 钢管无损检测焊接钢管焊缝缺欠的射线检测
	GB/T 40868-2021 Planning and design of controlled environments for research and production at the nanometer scale 纳米尺度科研生产受控环境规划与设计
	GB 1886.351-2021 National Food Safety Standard Food Additive α-Cyclodextrin 食品安全国家标准食品添加剂 α-环状糊精
	GB 1886.352-2021 National Food Safety Standard Food Additive β-Cyclodextrin 食品安全国家标准食品添加剂 β-环状糊精
	GB/T 40862-2021 Guide for reliability evaluation indices of operational transmissionand transformation installation 输变电设施运行可靠性评价指标导则
	GB/T 40587-2021 Technical specification for power system security and stability control system 电力系统安全稳定控制系统技术规范
	GB/T 40773-2021 Technical specification of monitoring and control system for auxiliary facilities in substation 变电站辅助设施监控系统技术规范
	GB/T 22271.2-2021 Plastics -- Polyoxymethylene(POM) moulding and extrusion materials -- Part 2: Preparation of test specimens and determination of properties 塑料聚甲醛（POM）模塑和挤出材料第2部分：试样制备和性能测定
	GB/T 40795.1-2021 Chemical analysis method of lanthanum-cerium metals and their compounds—Part 1:Determination of cerium content—Ammonium ferrous sulfate titration method 镧铈金属及其化合物化学分析方法第1部分：铈量的测定硫酸亚铁铵滴定法
	GB/T 5169.9-2021 Fire hazard testing for electric and electronic products—Part 9:Guidance for assessing the fire hazard—Preselection testing procedures—General guidelines 电工电子产品着火危险试验第9部分：着火危险评定导则预选试验程序总则
	GB/T 3836.29-2021 Explosive atmospheres—Part 29:Non-electrical equipment for explosive atmospheres—Constructional safety “c”,control of ignition source “b”, liquid immersion “k” 爆炸性环境第29部分：爆炸性环境用非电气设备结构安全型“c”、控制点燃源型“b”、液浸型“k”
	GB/T 40660-2021 Information security technology—General requirements for biometric information protection 信息安全技术生物特征识别信息保护基本要求
	GB/T 28504.2-2021 Rare earth doped optical fibre—Part 2:Characteristics of double-cladding thulium-doped optical fibre 掺稀土光纤第2部分：双包层掺铥光纤特性
	GB 1886.302-2021 National Food Safety Standards Food Additives Polyethylene Glycol 食品安全国家标准食品添加剂聚乙二醇
	GB/T 40588-2021 Technical provisions for automatic under-voltage load shedding in electric power systems 电力系统自动低压减负荷技术规定
	GB 19578-2021 Fuel consumption limits for passenger cars 乘用车燃料消耗量限值
	GB/T 39037.1-2021 Lashing and securing arrangements on road vehicles for sea transportation on Ro/Ro ships—General requirements—Part 1：Commercial vehicles and combinations of vehicles，semi-trailers excluded 用于海上滚装船运输的道路车辆的系固点与系固设施布置通用要求第1部分：商用车和汽车列车（不包括半挂车）
	GB 10765-2021 National Food Safety Standards Infant Formula 食品安全国家标准婴儿配方食品

Find out:2938Items | To Page of: First -Previous-Next -Last | [48] [49] [50] [51] [52] [53] [54]