2020 year China issued GB standards list


	GB/T 20671.6-2020 Classification system and test methods for nonmetallic gasket materials—Part 6: Standard test method for adhesion of gasket materials to metal surfaces 非金属垫片材料分类体系及试验方法第6部分：垫片材料与金属表面黏附性试验方法
	GB/T 20671.3-2020 Classification system and test methods for nonmetallic gasket materials—Part 3: Standard test method for fluid resistance of gasket materials 非金属垫片材料分类体系及试验方法第3部分:垫片材料耐液性试验方法
	GB/T 38810-2020 Seamless stainless steel pipes for liquefied natural gas 液化天然气用不锈钢无缝钢管
	GB/T 26370-2020 Hygienic requirements for disinfectant containing bromine 含溴消毒剂卫生要求
	GB/T 39217-2020 Guidelines for comprehensive evaluation of chemical industry park 化工园区综合评价导则
	GB/T 38883-2020 Non-destructive testing—Active thermographic testing method 无损检测主动式红外热成像检测方法
	GB 21027-2020 Request in common use of security for student’s articles 学生用品的安全通用要求
	GB/T 38876-2020 Test method for access network equipment—10Gbit/s ethernet passive optical network (10G EPON) 接入网设备测试方法 10Gbit/s以太网无源光网络（10G EPON）
	GB/T 38924.4-2020 Environmental test methods for civil small and light unmanned aircraft system—Part 4: Temperature and altitude test 民用轻小型无人机系统环境试验方法第4部分：温度和高度试验
	GB/T 39084-2020 Green product assessment-Packings for express service 绿色产品评价快递封装用品
	GB/T 16937-2020 Earth-moving machinery—Operator’s field of view—Test method and performance criteria 土方机械司机视野试验方法和性能准则
	GB/T 38858-2020 Online training for leadership— Requirements for platform data 干部网络培训平台数据要求
	GB/T 38933-2020 Cold rolled steel sheet for automobile—Test method of phosphate conversion coatings 汽车用冷轧钢板磷酸盐转化膜试验方法
	GB/T 38794-2020 Chemical safety in furniture—Determination of formaldehyde emission 家具中化学物质安全甲醛释放量的测定
	GB/T 14563-2020 Specification and test method of kaolin clay 高岭土及其试验方法
	GB/T 39082-2020 Test method of vickers hardness testing for resistance spot,projection and seam welds 电阻点焊、凸焊及缝焊接头的维氏硬度试验方法
	GB/T 4780-2020 Terms for motor vehicle body 汽车车身术语
	GB/T 28963-2020 Ships and marine technology—Fire-extinguishing systems for protection of galley cooking equipment 船舶与海上技术船用厨房烹调设备灭火系统
	GB/T 38969-2020 Guide on technology for power system 电力系统技术导则
	GB/T 9771.2-2020 Single-mode optical fibres for telecommunication—Part 2: Characteristics of a cut-off wavelength shifted single-mode optical fibre 通信用单模光纤第2部分：截止波长位移单模光纤特性
	GB/T 38812.3-2020 Direct reduced iron—Determination of silicon, manganese, phosphorus, vanadium, titanium, copper, aluminum, arsenic, magnesium, calcium, potassium and sodium content—Inductively coupled plasma atomic emission spectrometric method 直接还原铁硅、锰、磷、钒、钛、铜、铝、砷、镁、钙、钾、钠含量的测定电感耦合等离子体原子发射光谱法
	GB/T 39017-2020 Consumer product traceability—General requirements for traceability system 消费品追溯追溯体系通则
	GB/T 39048-2020 Classification and coding rules for administrative licensing items 行政许可事项分类与编码规则
	GB/T 26036-2020 Aluminum alloy die forgings for automobile wheels 汽车轮毂用铝合金模锻件
	GB/T 38892-2020 On-board driving video recording system 车载视频行驶记录系统
	GB/T 38930-2020 Requirements and test methods of the capability of wind resistance for civil small and light unmanned aircraft system 民用轻小型无人机系统抗风性要求及试验方法
	GB/T 39542.2-2020 Mechanical pencils for technical drawings—Part 2: Black leads—Classification and dimensions 技术制图活动铅笔第2部分：黑铅芯分类和尺寸
	GB/T 38783-2020 Method of coating thickness determination for precious metal composites by scanning electron microscope 贵金属复合材料覆层厚度的扫描电镜测定方法
	GB/T 39074-2020 Textiles—Testing and evaluation for heat insulation 纺织品隔热性能的检测和评价
	GB/T 38953-2020 Technical requirements for relay protection of microgrid 微电网继电保护技术规定
	GB/T 18661-2020 Metal-halide lamp(ScI3-NaI series)—Performance requirements 金属卤化物灯（钪钠系列）性能要求
	GB/T 38948-2020 Evaluation method for the cracking resistance of asphalt mixture at low temperature 沥青混合料低温抗裂性能评价方法
	GB/T 39040-2020 Steel seals and edge protectors for packing 包装用钢质锁扣及护角
	GB/T 38884-2020 High temperature stainless steels for bearing 高温不锈轴承钢
	GB/T 24328.1-2020 Tissue paper and tissue products—Part 1: General guidance on terms 卫生纸及其制品第1部分：术语导则
	GB/T 2679.1-2020 Paper—Determination of transmittance—Diffuse reflectance measurement 纸透明度的测定漫反射法
	GB/T 12624-2020 Hand protection—General test methods 手部防护通用测试方法
	GB/T 38841-2020 Mechanical properties measurement—Room temperature tensile test of reacted Nb3Sn composite superconductors 力学性能测量反应后的Nb3Sn复合超导线室温拉伸试验方法
	GB/T 38989-2020 Uniaxial compressive elastic modulus test method of materials stabilazed with inorganic binder（middle segment method）无机结合料稳定类材料单轴压缩弹性模量试验方法（中间段法）
	GB/T 31309-2020 Calculation of electron vacancy number in cast superalloys 铸造高温合金电子空位数计算方法
	GB 15892-2020 Polyaluminium chloride for treatment of drinking water 生活饮用水用聚氯化铝
	GB/T 25085.3-2020 Road vehicles—Automotive cables—Part 3: Dimensions and requirements for 30 V a.c. or 60 V d.c. single-core copper conductor cables 道路车辆汽车电缆第3部分：交流30 V或直流60 V单芯铜导体电缆的尺寸和要求
	GB/T 38908-2020 Test methods of chlorine resistance performance of household reverse osmosis and nanofiltration membrane elements 家用反渗透及纳滤膜元件耐氯性测试方法
	GB/T 38899-2020 Implementation guidance for energy management system in chemical industry 化工行业能源管理体系实施指南
	GB/T 38801-2020 Technical requirements for content distribution network—Interconnection use cases 内容分发网络技术要求互联应用场景
	GB/T 38903-2020 Technical guideline for material flow analysis of industrial parks 工业园区物质流分析技术导则
	GB/T 38917-2020 High temperature titanium alloy bars for aerospace 航空航天用高温钛合金棒材
	GB/T 4214.7-2020 Test method for noise of household and similar electrical appliances—Particular requirements for tumbler dryers 家用和类似用途电器噪声测试方法滚筒式干衣机的特殊要求
	GB/T 38979-2020 Sanitary wares—Test method for flushing noise of toilet 卫生陶瓷坐便器冲洗噪声试验方法
	GB/T 9771.6-2020 Single-mode optical fibres for telecommunication—Part 6: Characteristics of a fibre with non-zero dispersion for wideband optical transport 通信用单模光纤第6部分：宽波长段光传输用非零色散单模光纤特性

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