2020 year China issued GB standards list


	GB/T 13892-2020 Surface active agents—Determination of iodine value 表面活性剂碘值的测定
	GB/T 31489.3-2020 D.C. extruded cable systems for power transmission at a rated voltage up to and including 500kV—Part 3: D.C. submarine cables 额定电压500kV及以下直流输电用挤包绝缘电力电缆系统第3部分：直流海底电缆
	GB/T 39405-2020 Classification of robot 机器人分类
	GB/T 39560.2-2020 Determination of certain substances in electrical and electronic products—Part 2: Disassembly，disjointment and mechanical sample preparation 电子电气产品中某些物质的测定第2部分：拆解、拆分和机械制样
	GB/T 3131-2020 Tin-lead solder 锡铅钎料
	GB/T 2969-2020 Samarium oxide 氧化钐
	GB 9706.245-2020 Medical electrical equipment—Part 2-45: Particular requirements for the basic safety and essential performance of mammographie X-ray equipment and mammographie stereotactic devices 医用电气设备第2-45部分：乳腺X射线摄影设备和乳腺摄影立体定位装置的基本安全和基本性能专用要求
	GB/T 17044-2020 Steel cord conveyor belts—Adhesion strength test of the cover to the core layer 钢丝绳芯输送带覆盖层与带芯层粘合强度试验
	GB/T 11032-2020 Metal-oxide surge arresters without gaps for a.c. systems 交流无间隙金属氧化物避雷器
	GB 25034-2020 Gas-fired heating and hot water combi-boiler 燃气采暖热水炉
	GB/T 20674.1-2020 Plastics pipes and fittings—Equipment for fusion jointing polyethylene systems—Part 1:Butt fusion 塑料管材和管件聚乙烯系统熔接设备第1部分：热熔对接
	GB/T 12787-2020 Radiation protection instrumentation—Warning equipment for criticality accidents 辐射防护仪器临界事故报警设备
	GB/T 20818.21-2020 Industrial-process measurement and control—Data structures and elements in process equipment catalogues—Part 21: List of properties (LOP) for automated valves for electronic data exchange—Generic structures 工业过程测量和控制过程设备目录中的数据结构和元素第21部分：自动阀电子数据交换用属性列表(LOP) 通用结构
	GB/T 39641-2020 Methods for gaging fastening screw threads by thread indicating gages 螺纹指示量规检测紧固螺纹方法
	GB/T 14090-2020 Terminology for offshore oil and gas development engineering 海上油气开发工程术语
	GB/T 39505-2020 Method of measuring performances of electric hair clippers or trimmers for household use 家用电理发剪及修发器性能测试方法
	GB/T 29042-2020 Thresholds and grading of rolling resistance for motor vehicle tyres 汽车轮胎滚动阻力限值和等级
	GB/T 39116-2020 Maturity model of intelligent manufacturing capability 智能制造能力成熟度模型
	GB/T 11577-2020 Container securing fitting for ships 船用集装箱紧固件
	GB/T 39621-2020 Textiles—Quantitative chemical analysis—Mixture of cross-linked lyocell fibres and viscose or cupro or modal (method using formic acid and zinc chloride) 纺织品定量化学分析交联型莱赛尔纤维与粘胶纤维、铜氨纤维、莫代尔纤维的混合物（甲酸/氯化锌法）

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