2021 year China issued GB standards list


	GB 31893-2015 水泥中水溶性铬（Ⅵ）的限量及测定方法《第1号修改单》
	GB 40558-2021 The safety requirements for marine shipping solid bulk cargoes 固体散装货物海运安全技术要求
	GB/T 13174-2021 Determination of detergency and cycle of washing property for laundry detergents 衣料用洗涤剂去污力及循环洗涤性能的测定
	GB/T 41110-2021 Tubular cored electrodes for gas shielded and non-gas shielded metal arc welding of nickel and nickel alloys 镍及镍合金药芯焊丝
	GB/T 6424-2021 Flat plate solar collectors 平板型太阳能集热器
	GB/T 3792-2021 Information and documentation—Resource description 信息与文献资源描述
	GB/T 5095.2503-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-3: Test 25c: Rise time degradation 电子设备用机电元件基本试验规程及测量方法第25-3部分：试验25c：上升时间衰减
	GB/T 39900-2021 General technical requirements for the road traffic signal control system 道路交通信号控制系统通用技术要求
	GB/T 4214.12-2021 Test method for noise of household and similar electrical appliances—Particular requirements for fan heaters 家用和类似用途电器噪声测试方法风扇式加热器的特殊要求
	GB/T 39891-2021 Electrical endurance testing for circuit-breakers above a rated voltage of 52 kV 52kV及以上断路器电气耐久性试验方法
	GB/T 40951-2021 Specification for urban passenger transfer hub operation safety management 城市客运枢纽运营安全管理规范
	GB/T 9254.1-2021 Information technology equipment, multimedia equipment and receivers -- Electromagnetic compatibility -- Part 1: Emission requirements 信息技术设备、多媒体设备和接收机电磁兼容第1部分：发射要求
	GB/T 41105.1-2021 Non-destructive testing—Measurement and evaluation of the X-ray tube voltage—Part 1:Voltage divider method 无损检测 X射线管电压的测量和评价第1部分：分压法
	GB/T 6288-2021 Determination of particle size for granular molecular sieve 粒状分子筛粒度测定方法
	GB/T 5162-2021 Metallic powders—Determination of tap density 金属粉末振实密度的测定
	GB/T 39941-2021 Monitor and evaluation methods for quality safety in wooden furniture production process 木家具生产过程质量安全状态监测与评价方法
	GB/T 10001.2-2021 Public information graphical symbols—Part 2: Symbols for tourism and entertainment 公共信息图形符号第2部分：旅游休闲符号
	GB/T 5267.2-2021 Fasteners—Non-electrolytically applied zinc flake coatings 紧固件非电解锌片涂层
	GB/T 41115-2021 Non-destructive testing of welds -- Ultrasonic testing -- Use of time-of-flight diffraction technique (TOFD) 焊缝无损检测超声检测衍射时差技术（TOFD）的应用
	GB/T 4134-2021 Gold ingots 金锭

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