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'2020'
China GB Standards List

 GB/T 2423.51-2020  
Environmental testing—Part 2: Test methods—Test Ke: Flowing mixed gas corrosion test
环境试验 第2部分：试验方法 试验Ke：流动混合气体腐蚀试验
 GB/T 9771.5-2020  
Single-mode optical fibres for telecommunication—Part 5: Characteristics of a non-zero dispersion shifted single-mode optical fibre
通信用单模光纤 第5部分：非零色散位移单模光纤特性
 GB/T 9771.4-2020  
Single-mode optical fibres for telecommunication—Part 4: Characteristics of a dispersion shifted single-mode optical fibre
通信用单模光纤 第4部分：色散位移单模光纤特性
 GB/T 9771.3-2020  
Single-mode optical fibres for telecommunication—Part 3: Characteristics of an extended wavelength band dispersion unshifted single-mode optical fibre
通信用单模光纤 第3部分：波长段扩展的非色散位移单模光纤特性
 GB/T 24051-2020  
Environmental management—Material flow cost accounting—General framework
环境管理 物质流成本核算 通用框架
 GB/T 38947-2020  
Magnetic flux density test method for magnetic separators
磁选设备磁感应强度检测方法
 GB/T 38756-2020  
Safety and control devices for gas burners and gas-burning appliances—Particular requirements—Ignition unit
燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 点火装置
 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 38784-2020  
Suspended floor, stairs, trail and plank road glass
悬空地板、踏步、步道及栈道玻璃
 GB/T 38785-2020  
General technical requirements of thin-film photovoltaic module recycling and reusing for use in building
建筑用薄膜太阳能电池组件回收再利用通用技术要求
 GB/T 38786-2020  
Testing method for cleanliness of magnesium and magnesium alloy ingots
镁及镁合金铸锭纯净度检验方法
 GB/T 38891-2020  
Test method of magnetic separation
磁力分选试验方法
 GB/T 38901-2020  
Fiber reinforced concrete shield segments
纤维混凝土盾构管片
 GB/T 38902-2020  
Determination of hollow fiber membrane cross-section dimensions—Image analysis method
中空纤维膜丝截面结构尺寸的测定 图像分析法
 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 38912-2020  
Test method for closed-end burst of zirconium tubes at room temperature
锆管室温闭端爆破试验方法
 GB/T 38913-2020  
Test methods for hydride orientation fraction of nuclear grade zirconium and zirconium alloy tubes
核级锆及锆合金管材氢化物取向因子检测方法
 GB/T 38915-2020  
High temperature titanium alloy forgings for aerospace
航空航天用高温钛合金锻件
 GB/T 8704.6-2020  
Ferrovanadium—Determination of silicon content—The sulfuric acid dehydration gralimetric method and the silicomolybdic blue photometric method
钒铁 硅含量的测定 硫酸脱水重量法和硅钼蓝分光光度法
 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 26036-2020  
Aluminum alloy die forgings for automobile wheels
汽车轮毂用铝合金模锻件
 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 38949-2020  
Determination of pore size for porous membranes—Standard particle method
多孔膜孔径的测定 标准粒子法
 GB/T 38796-2020  
Performance requirements and test methods of automobile blow-out emergency safety device
汽车爆胎应急安全装置性能要求和试验方法
 GB/T 223.37-2020  
Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation
钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法
 GB/T 8704.5-2020  
Ferrovanadium—Determination of vanadium content—The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method
钒铁 钒含量的测定 硫酸亚铁铵滴定法和电位滴定法
 GB/T 8704.10-2020  
Ferrovanadium—Determination of silicon, manganese, phosphorus, aluminum, copper, chromium, nickel and titanium contents— Inductively coupled plasma atomic emission spectrometric method
钒铁 硅、锰、磷、铝、铜、铬、镍、钛含量的测定 电感耦合等离子体原子发射光谱法
 GB/T 5687.12-2020  
Ferrochromium—Determination of phosphorus, aluminum, titanium, copper, manganese, calcium content—Inductively coupled plasma atomic emission spectrometric method
铬铁 磷、铝、钛、铜、锰、钙含量的测定 电感耦合等离子体原子发射光谱法
 GB/T 2272-2020  
Ferrosillicon
硅铁
 GB/T 38969-2020  
Guide on technology for power system
电力系统技术导则
 GB/T 20671.1-2020  
Classification system and test methods for nonmetallic gasket materials—Part 1：Standard classification system for nonmetallic gasket materials
非金属垫片材料分类体系及试验方法 第1部分:非金属垫片材料分类体系
 GB/T 17858.3-2020  
Packaging sacks—Vocabulary and types—Part 3:Woven sacks
包装袋 术语和类型 第3部分：编织袋
 GB/T 18879-2020  
Specifications of summer toboggan run
滑道通用技术条件
 GB/T 38916-2020  
High temperature titanium alloy plate and sheet for aerospace
航空航天用高温钛合金板材
 GB/T 20975.16-2020  
Methods for chemical analysis of aluminium and aluminium alloys—Part 16：Determination of magnesium content
铝及铝合金化学分析方法 第16部分：镁含量的测定
 GB/T 2421-2020  
Environmental testing—General and guidance
环境试验 概述和指南
 GB/T 244-2020  
Metallic material—Tube—Bend test method
金属材料 管 弯曲试验方法
 GB/T 38802-2020  
Management specification for water-saving of swimming places
游泳场所节水管理规范
 GB/T 30269.809-2020  
Information technology—Sensor networks—Part 809：Testing：Conformance testing for the network layer of wireless sensor networks based on IP protocol
信息技术 传感器网络 第809部分：测试：基于IP的无线传感器网络网络层协议一致性测试
 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 30431-2020  
Gas chromatography for laboratory
实验室气相色谱仪
 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 20973-2020  
Bentonite
膨润土
 GB/T 20975.36-2020  
Methods for chemical analysis of aluminium and aluminium alloys—Part 36:Determination of silver content—Flame atomic absorption spectrometry
铝及铝合金化学分析方法 第36部分：银含量的测定 火焰原子吸收光谱法
 GB/T 20975.35-2020  
Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method
铝及铝合金化学分析方法 第35部分：钨含量的测定 硫氰酸盐分光光度法
 GB/T 20975.25-2020  
Methods for chemical analysis of aluminium and aluminium alloys—Part 25：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method
铝及铝合金化学分析方法 第25部分：元素含量的测定 电感耦合等离子体原子发射光谱法
 GB/T 20975.24-2020  
Methods for chemical analysis of aluminium and aluminium alloys—Part 24：Determination of total rare earth content
铝及铝合金化学分析方法 第24部分：稀土总含量的测定
 GB/T 29503-2020  
Aluminium alloy stretched plates
铝合金预拉伸板
 GB/T 20975.18-2020  
Methods for chemical analysis of aluminium and aluminium alloys—Part 18:Determination of chromium content
铝及铝合金化学分析方法 第18部分：铬含量的测定
 GB/T 27788-2020  
Microbeam analysis—Scanning electron microscopy—Guidelines for calibrating image magnification
微束分析 扫描电镜 图像放大倍率校准导则

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