2021 year China issued GB standards list


	GB/T 12690.4-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method 稀土金属及其氧化物中非稀土杂质化学分析方法第4部分：氧、氮量的测定脉冲-红外吸收法和脉冲-热导法
	GB/T 40004-2021 Copper-silver alloy rectangular wire 铜银合金扁线
	GB/T 40068-2021 Electrofusion welding sleeve(tape) for thermal insulation pipeline 保温管道用电热熔套（带）
	GB/T 40457-2021 Detection and identification of Colletotrichum kahawae J.M. Waller & Bridge 咖啡浆果炭疽病菌检疫鉴定方法
	GB/T 12604.6-2021 Non-destructive testing—Terminology—Eddy current testing 无损检测术语涡流检测
	GB/T 40111-2021 Standard test method for fluorine,chlorine and sulfur in petroleum products—Combustion-ion chromatography 石油产品中氟、氯和硫含量的测定燃烧-离子色谱法
	GB/T 24619-2021 Synchronous belt drives - Curvilinear profile systems　G, H, R and S belts and pulleys 同步带传动 G、H、R、S齿型曲线齿同步带与带轮
	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 40469-2021 Livestock and poultry slaughtering and processing equipment—Technical conditions for complete sets of cattle slaughtering equipment 畜禽屠宰加工设备牛屠宰成套设备技术条件
	GB/T 40424-2021 Welding procedure qualification test for tubes to tube-plate joints 管与管板的焊接工艺评定试验
	GB/T 40467-2021 Livestock and poultry meat quality testing—Guideline for near-infrared spectroscopy method 畜禽肉品质检测近红外法通则
	GB/T 40466-2021 Code of practice for livestock and poultry meat fabrication—Pork 畜禽肉分割技术规程猪肉
	GB/T 40463-2021 Machanically separated meat 机械分离肉
	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 40439-2021 Smart household appliances system for older persons’assisted living—Architecture model 用于老年人生活辅助的智能家电系统架构模型
	GB/T 40426.2-2021 Plastics—Decorative solid surfacing materials—Part 2: Determination of properties—Sheet solid surfacing material 塑料制品装饰性实体面材第2部分：性能的测定板型实体面材
	GB/T 40095-2021 Technical specifications for measurement and control device in smart substation 智能变电站测控装置技术规范
	GB/T 27800-2021 Determination of the life for static sealing rubber products 静密封橡胶制品使用寿命的快速预测方法
	GB/T 40096.4-2021 Technical specification for on-site protection equipment - Part 4: Smart management unit 就地化继电保护装置技术规范第4部分：智能管理单元
	GB/T 40452-2021 Intravenous infusion technical specification of canine and feline 犬、猫静脉输液操作技术规范

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