2021 year China issued GB standards list


	GB/T 41071-2021 Determination of polycyclic aromatic hydrocarbons in dye products 染料产品中多环芳烃的测定
	GB/T 39893-2021 Handheld electro-optical low-vision device 手持式电子助视器
	GB/T 14272-2021 Down garments 羽绒服装
	GB/T 309-2021 Rolling bearings—Needle roller 滚动轴承滚针
	GB/T 40080-2021 Nondestructive testing of steel tubes—Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leaktightness 钢管无损检测用于确认无缝和焊接钢管（埋弧焊除外）水压密实性的自动电磁检测方法
	GB/T 26473-2021 Cranes—Safety requirements for loader cranes 起重机随车起重机安全要求
	GB/T 41124-2021 General technical requirements for aseptic blowing-filling-capping bloc 无菌吹灌旋一体机通用技术要求
	GB/T 18386.1-2021 Test methods for energy consumption and range of electric vehicles—Part 1: Light-duty vehicles 电动汽车能量消耗量和续驶里程试验方法第1部分：轻型汽车
	GB/T 39823-2021 Light conveyor belts—Tolerances on widths and lengths of cut light conveyor belts 轻型输送带切割式轻型输送带的宽度和长度极限偏差
	GB/T 40059-2021 Facility management—Guidance on strategic sourcing and the development of agreements 设施管理战略寻购和协议制定指南
	GB/T 14637-2021 Determination of copper,iron and zinc in industrial circulating cooling water and scale—Atomic absorption spectrometric method 工业循环冷却水及水垢中铜、铁、锌的测定　原子吸收光谱法
	GB/T 18329.4-2021 Plain bearings—Metallic multilayer plain bearings—Part 4:Non-destructive ultrasonic transmission testing of bond of thickness greater than or equal to 0.3 mm 滑动轴承多层金属滑动轴承第4部分: 合金厚度≥0.3mm的结合质量超声穿透无损检测
	GB/T 40698-2021 General requirements for aerospace control system engineering 航天控制系统工程通用要求
	GB/T 22796-2021 Bedding 床上用品
	GB/T 7424.21-2021 Optical fibre cable generic specification—Part 21：Basic optical cable test procedures—Mechanical test methods 光缆总规范第21部分：光缆基本试验方法机械性能试验方法
	GB/T 16754-2021 Safety of machinery—Emergency stop function—Principles for design 机械安全急停功能设计原则
	GB/T 40260-2021 Test method for determining gas permeability of polymer membrane materials 高分子膜材料气体渗透性能测试方法
	GB/T 40860-2021 Analysis requirements for design extension conditions of pressurized water reactor nuclear power plants 压水堆核电厂设计扩展工况分析要求
	GB/T 40510-2021 Bio-natural gas as vehicle fuel 车用生物天然气
	GB/T 40818-2021 Plugs,socket-outlets and couplers with arcuate contacts 带弧形触头的插头、插座和耦合器
	GB/T 40546-2021 Design specification for coalbed methane well drainage engineering 煤层气井排采工程设计规范
	GB/T 40257-2021 Code of diagnosis for infection with taura syndrome virus—RT-PCR method 桃拉综合征诊断规程 RT-PCR检测法
	GB/T 40732-2021 Non-destructive testing of welds—Ultrasonic testing—Testing of welds in austenitic steels and nickel-based alloys 焊缝无损检测超声检测奥氏体钢和镍基合金焊缝检测
	GB/T 40256-2021 Code of diagnosis for marteiliosis of oysters—Microscopic methods 牡蛎马尔太虫病诊断规程显微镜检查组织法
	GB/T 5909-2021 Commercial vehicles—Wheels—Performance requirements and test methods for cornering and radial fatigue 商用车车轮弯曲和径向疲劳性能要求及试验方法
	GB/T 40927-2021 Leather—Physical and mechanical tests—Determination of heat resistance of patent leather 皮革物理和机械试验漆皮耐热性能的测定
	GB/T 24673-2021 Small-size gasoline engine direct-link centrifugal pumps unit 小型汽油机直联离心泵机组
	GB/T 25301-2021 Resistance welding equipment - Transformers - General specifications applicable to all transformers 电阻焊设备变压器适用于所有变压器的通用技术条件
	GB/T 40872-2021 Plastics—Test methods of polyethylene cellular 塑料聚乙烯泡沫试验方法
	GB/T 40541-2021 Structural design requirements of metal pressure vessels for space system 航天金属压力容器结构设计要求
	GB/T 19290.7-2021 Modular order for the development of mechanical structures for electronic equipment practices—Part 2-5:Sectional specification—Interface co-ordination dimensions for the 25 mm equipment practice—Cabine tinterface dimensions for miscellaneous equipment 发展中的电子设备构体机械结构模数序列　第2-5部分：分规范　25 mm设备构体的接口协调尺寸　各种设备用机柜接口尺寸
	GB/T 17934.2-2021 Graphic technology—Process control for the production of half-tone colour separations,proof and production prints—Part 2:Offset lithographic processes 印刷技术网目调分色版、样张和生产印刷品的加工过程控制第2部分：平版胶印
	GB/T 40460-2021 Determination of plant growth regulators in fertilizers—Gas chromatography 肥料中植物生长调节剂的测定气相色谱法
	GB/T 40437-2021 Electrical safety—Guidelines for risk early-warning 电气安全风险预警指南
	GB/T 5271.37-2021 Information technology—Vocabulary—Part 37:Biometrics 信息技术词汇第37部分：生物特征识别
	GB/T 18426-2021 Rubber-or plastics-coated fabrics—Low-temperature bend test 橡胶或塑料涂覆织物低温弯曲试验
	GB/T 40006.7-2021 Plastics—Recycled plastics—Part 7: Polycarbonate(PC) materials 塑料再生塑料第7部分：聚碳酸酯(PC)材料
	GB/T 8366-2021 Resistance welding—Resistance welding equipment—Mechanical and electrical requirements 电阻焊电阻焊设备机械和电气要求
	GB/T 40442-2021 Paper, board and pulps—Determination of weight factor in fibre furnish analysis 纸、纸板和纸浆纤维组成分析中质量因子的测定
	GB/T 40832-2021 Determination of mangiferin in mango leaves—High performance liquid chromatography 芒果叶中芒果苷的测定高效液相色谱法
	GB/T 40598-2021 Description rules for strategy of electric power system security and stability control 电力系统安全稳定控制策略描述规则
	GB/T 40501-2021 General condition of vehicle dynamics test for passenger cars 轻型汽车操纵稳定性试验通用条件
	GB/T 40820-2021 Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicles 电动汽车模式3充电用直流剩余电流检测电器（RDC-DD）
	GB/T 40841-2021 Cross-border E-commerce—Guidelines on exchange of product quality evaluation result 跨境电子商务产品质量评价结果交换指南
	GB/T 12690.8-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 8:Determination of sodium content 稀土金属及其氧化物中非稀土杂质化学分析方法第8部分：钠量的测定
	GB/T 40840-2021 Construction and management requirement of the unified social credit identifier database for legal entities and other organizations 法人和其他组织统一社会信用代码数据库建设和管理要求
	GB/T 38482-2021 Determination of animal type Ⅰ collagen—Polyacrylamide gel electrophoresis 动物源性I型胶原蛋白成分测定聚丙烯酰胺凝胶电泳法
	GB/T 40468-2021 Sheep and goat by-products 羊副产品
	GB/T 38146.3-2021 China automotive test cycle—Part 3: Engine 中国汽车行驶工况第3部分：发动机
	GB/T 40262-2021 Metal coating fabric—Determination of metal layer adhesive force—Tape method 金属镀膜织物金属层结合力的测定胶带法

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