2021 year China issued GB standards list


	GB/T 40304-2021 Determination of content of nonmetallic inclusions in steel—Billet full section method 钢中非金属夹杂物含量的测定钢坯全截面法
	GB/T 23251-2021 Guideline for coal used in coal chemical technology 煤化工用煤技术导则
	GB/T 21421.1-2021 Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V—Part 1：Standard strength classes and end fittings 标称电压高于1 000V的架空线路用复合绝缘子串元件第1部分：标准强度等级和端部装配件
	GB 5084-2021 Standard for irrigation water quality 农田灌溉水质标准
	GB/T 41211-2021 General specifications for moon and planetary in-situ spectral detection instrument 月球与行星原位光谱探测仪器通用规范
	GB/T 29185-2021 Brand—Vocabulary 品牌术语
	GB 51440-2021 Standard for construction and acceptance of cold store 冷库施工及验收标准
	GB 7300.501-2021 Feed additives—Part 5:Live microorganisms—Saccharomyces cerevisiae 饲料添加剂第5部分：微生物酿酒酵母
	GB 12021.9-2021 Minimum allowable values of energy efficiency and energy efficiency grades for electric fans 电风扇能效限定值及能效等级
	GB 40875-2021 Requirements of safety operations for oil tankers at single point mooring 油轮单点系泊作业安全要求
	GB 9706.236-2021 Medical electrical equipment—Part 2-36: Particular requirements for the basic safety and essential performance of equipment for extracorporeally induced lithotripsy 医用电气设备第2-36部分：体外引发碎石设备的基本安全和基本性能专用要求
	GB 55002-2021 Code for seismic design of buildings 建筑与市政工程抗震通用规范
	GB/T 40085-2021 Navigation electronic map - Division network model 导航电子地图分区网络模型
	GB/T 8145-2021 Gum rosin 脂松香
	GB/T 18115.4-2021 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides -- Part 4: Determination of lanthanum, cerium, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and yt 稀土金属及其氧化物中稀土杂质化学分析方法第4部分：钕中镧、铈、镨、钐、铕、钆、铽、镝、钬、铒、铥、镱、镥和钇量的测定
	GB/T 40280-2021 Plastics—Resins in the liquid state or as emulsions or dispersions—Determination of apparent viscosity using a single cylinder type rotational viscometer method 塑料液态或乳液态或分散体系的树脂用单筒旋转黏度计测定表观黏度
	GB/T 40817.1-2021 Specification for nuclear power reactor coolant pump motor—Part 1:Asynchronous motor for shaft sealing pump 核电主泵电机技术条件第1部分：轴封泵异步电机
	GB/T 7424.23-2021 Optical fibre cable generic specification—Part 23：Basic optical cable test procedures—Cable element test methods 光缆总规范第23部分：光缆基本试验方法光缆元构件试验方法
	GB/T 40081-2021 Automatic rescue operation device for lifts 电梯自动救援操作装置
	GB/T 40048-2021 Test methods for bolted connections in structural wood and wood-based materials 木质结构材螺栓连接力学性能测试方法

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