2021 year China issued GB standards list


	GB/T 15382-2021 General specifications of gas cylinder valves 气瓶阀通用技术要求
	GB/T 18691.1-2021 Agricultural irrigation equipment—Irrigation valves—Part 1：General requirements 农业灌溉设备灌溉阀第1部分：通用要求
	GB/T 4678.15-2021 Die casting dies—Components—Part 15: Spacer blocks 压铸模零件第15部分：垫块
	GB/T 12817-2021 General technical specification for railway passenger car 铁路客车通用技术条件
	GB/T 51447-2021 Standard for storage of building information model 建筑信息模型存储标准
	GB/T 1727-2021 General methods for preparation of coating films 漆膜一般制备法
	GB/T 40608-2021 Technical requirements for equipment parameters and operating data of power grid 电网设备模型参数和运行方式数据技术要求
	GB/T 10001.3-2021 Public information graphical symbols—Part 3：Symbols for passenger and cargo transport 公共信息图形符号第3部分：客运货运符号
	GB/T 3074.1-2021 The test method for flexural strength of carbon materials 炭素材料抗折强度测定方法
	GB/T 3075-2021 Metallic materials—Fatigue testing—Axial force-controlled method 金属材料疲劳试验轴向力控制方法
	GB/T 3639-2021 Seamless cold-drawn or cold-rolled steel tubes for precision applications 冷拔或冷轧精密无缝钢管
	GB/T 4214.11-2021 Test method for noise of household and similar electrical appliances—Particular requirements for electrically-operated food preparation appliances 家用和类似用途电器噪声测试方法电动食品加工器具的特殊要求
	GB/T 5095.2505-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 25-5：Test 25e: Return loss 电子设备用机电元件基本试验规程及测量方法第25-5部分：试验25e：回波损耗
	GB/T 4214.14-2021 Test method for noise of household and similar electrical appliances—Particular requirements for refrigerators, frozen-food storage cabinets and food freezers 家用和类似用途电器噪声测试方法电冰箱、冷冻食品储藏箱和食品冷冻箱的特殊要求
	GB/T 15981-2021 Evaluating method for the efficacy of sterilization for disinfection equipment 消毒器械灭菌效果评价方法
	GB/T 5095.2304-2021 Electromechanical components for electronic equipment—Basic testing procedures and measuring methods—Part 23-4: Screening and filtering tests—Test 23d: Transmission line reflections in the time domain 电子设备用机电元件基本试验规程及测量方法第23-4部分：屏蔽和滤波试验试验23d：时域内传输线的反射
	GB/T 1600-2021 Testing method of water for pesticides 农药水分测定方法
	GB/T 4892-2021 Dimensions of rigid rectangular transport packages 硬质直方体运输包装尺寸系列
	GB/T 4797.9-2021 Classification of environmental conditions—Environmental conditions appearing in nature—Measured shock and vibration data during storage, transportation and in-use 环境条件分类　自然环境条件　贮存、运输和使用过程中测得的冲击和振动数据
	GB/T 1149.6-2021 Internal combustion engines—Piston rings—Part 6: Scraper rings made of cast iron 内燃机活塞环第6部分：铸铁刮环

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