2020 year China issued GB standards list


	GB/T 39396.1-2020 Quality requirements for international GNSS monitoring and assessment system (iGMAS)—Part 1: Observation data 全球连续监测评估系统（iGMAS）质量要求第1部分：观测数据
	GB/T 39414.4-2020 Interface specification for signal in space of BeiDou navigation satellite system—Part 4: Open service signal B3I 北斗卫星导航系统空间信号接口规范第4部分：公开服务信号B3I
	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 39298-2020 Reclaimed water quality—Determination of benzene homologues—Gas chromatography 再生水水质苯系物的测定气相色谱法
	GB/T 39730-2020 General requirements for cell counting—Flow cytometry 细胞计数通用要求流式细胞测定法
	GB/T 18779.5-2020 Geometrical product specifications (GPS)—Inspection by measurement of workpieces and measuring equipment—Part 5: Uncertainty in verification testing of indicating measuring instruments 产品几何技术规范（GPS）工件与测量设备的测量检验第5部分：指示式测量仪器的检验不确定度
	GB/T 11577-2020 Container securing fitting for ships 船用集装箱紧固件
	GB/T 39412-2020 Information security technology—Audit specification of code security 信息安全技术代码安全审计规范
	GB/T 39334.2-2020 Digital simulation of mechanical products manufacturing process—Part 2: Requirements of production line planning and layout simulation 机械产品制造过程数字化仿真第2部分：生产线规划和布局仿真要求
	GB/T 39495-2020 Metallic and other inorganic coatings—Chromate-free chemical conversion coatings on allumion and its alloys 金属及其他无机覆盖层铝及铝合金无铬化学转化膜
	GB/T 33523.70-2020 Geometrical product specifications (GPS)—Surface texture: Areal—Part 70: Material measures 产品几何技术规范（GPS）表面结构区域法第70部分：实物测量标准
	GB/T 2072-2020 Nickel and nickel alloy strip and foil 镍及镍合金带、箔材
	GB/T 13587-2020 Scraps of copper and copper alloy 铜及铜合金废料
	GB/T 39256-2020 Green manufacturing—Green supply chain management in manufacturing enterprises—Specifications of informatization management platform 绿色制造制造企业绿色供应链管理信息化管理平台规范
	GB/T 39257-2020 Green manufacturing—Green supply chain management in manufacturing enterprises—Specifications for assessment 绿色制造制造企业绿色供应链管理评价规范
	GB/T 39555-2020 Intelligent laboratory—Instruments and equipment—Data interface of climatic and environmental testing equipment 智能实验室仪器设备气候、环境试验设备的数据接口
	GB/T 31489.4-2020 D.C. extruded cables systems for power transmission at a rated voltage up to and including 500kV—Part 4: Accessories for D.C. 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4部分：直流电缆附件
	GB/T 39327-2020 Rubber and plastics hoses for marine-engine wet-exhaust systems—Specification 船用发动机湿式排气系统用橡胶和塑料软管规范
	GB/T 39334.3-2020 Digital simulation of mechanical products manufacturing process—Part 3: Requirements of assembly workshop logistics simulation 机械产品制造过程数字化仿真第3部分：装配车间物流仿真要求
	GB/T 39334.5-2020 Digital simulation of mechanical products manufacturing process—Part 5: Requirements of typical process simulation 机械产品制造过程数字化仿真第5部分：典型工艺仿真要求

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