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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "GB" GB Standards List:
  • GB
    GB 146.1-2020- English Version of China GB-National Standard
    Gauge for standard gauge railways—Part 1: rolling stock gauge
    标准轨距铁路限界 第1部分:机车车辆限界
    GB
    GB 146.2-2020- English Version of China GB-National Standard
    Gauge for standard gauge railways—Part 2: Structure gauge
    标准轨距铁路限界 第2部分:建筑限界
    GB
    GB 7300.1001-2020- English Version of China GB-National Standard
    Feed additive—Part 10:Flavouring and appetising substances—Sodium glutamate
    饲料添加剂 第10部分:调味和诱食物质 谷氨酸钠
    GB
    GB 7300.402-2020- English Version of China GB-National Standard
    Feed additives—Part 4:Enzymes—Phytase
    饲料添加剂 第4部分:酶制剂 植酸酶
    GB
    GB 16423-2020- English Version of China GB-National Standard
    Safety regulation for metal and nonmetal mines
    金属非金属矿山安全规程
    GB
    GB 23727-2020- English Version of China GB-National Standard
    Regulations for radiation protection and radiation environment protection in uranium mining and milling
    铀矿冶辐射防护和辐射环境保护规定
    GB
    GB 25034-2020- English Version of China GB-National Standard
    Gas-fired heating and hot water combi-boiler
    燃气采暖热水炉
    GB
    GB/T 39114-2020- English Version of China GB-National Standard
    Nanotechnologies—Characterization of single-wall carbon nanotubes using ultraviolet-visible-near infrared (UV-Vis-NIR) absorption spectroscopy
    纳米技术 单壁碳纳米管的紫外/可见/近红外吸收光谱表征方法
    GB
    GB/T 39115-2020- English Version of China GB-National Standard
    Energy efficiency evaluation methods for process automation
    过程自动化能效评估方法
    GB
    GB/T 39116-2020- English Version of China GB-National Standard
    Maturity model of intelligent manufacturing capability
    智能制造能力成熟度模型
    GB
    GB/T 39117-2020- English Version of China GB-National Standard
    Maturity assessment method of intelligent manufacturing capability
    智能制造能力成熟度评估方法
    GB
    GB/T 39118-2020- English Version of China GB-National Standard
    Safety requirements of optical radiation for laser pointers products
    激光指示器产品光辐射安全要求
    GB
    GB/T 39119-2020- English Version of China GB-National Standard
    Integrated energy—Cooperative control overall functions and process requirements of ubiquitous energy internet
    综合能源 泛能网协同控制总体功能与过程要求
    GB
    GB/T 39120-2020- English Version of China GB-National Standard
    Integrated energy—Ubiquitous energy internet terminology
    综合能源 泛能网术语
    GB
    GB/T 39121-2020- English Version of China GB-National Standard
    Specification for operation management of biochar production from crop staw on soil quality improvement project
    农作物秸秆炭化还田土壤改良项目运营管理规范
    GB
    GB/T 39122-2020- English Version of China GB-National Standard
    Manufacturing practice for processing of fresh and frozen cultured obscure puffer
    养殖暗纹东方鲀鲜、冻品加工操作规范
    GB
    GB/T 39123-2020- English Version of China GB-National Standard
    Specification for cadmium-zinc telluride single crystal material for X-ray and γ-ray detector
    X射线和γ射线探测器用碲锌镉单晶材料规范
    GB
    GB/Z 39124-2020- English Version of China GB-National Standard
    Method for chemical analysis of lead concentrates—Determination of antimony content—Ce(SO4)2 titration method
    铅精矿化学分析方法 锑含量的测定 硫酸铈滴定法
    GB
    GB/T 39125-2020- English Version of China GB-National Standard
    Cerium-magnesium alloys
    铈镁合金
    GB
    GB/T 39126-2020- English Version of China GB-National Standard
    Assesment system for interior green decorating material selection
    室内绿色装饰装修选材评价体系
    GB
    GB/T 39127-2020- English Version of China GB-National Standard
    Numerical control system of machine tool—Usage and maintenance specification
    机床数控系统 使用与维护规范
    GB
    GB/T 39128-2020- English Version of China GB-National Standard
    Numerical control system of machine tool—Human-machine interface
    机床数控系统 人机界面
    GB
    GB/T 39129-2020- English Version of China GB-National Standard
    Numerical control system of machine tool—Fault diagnosis and correction specification
    机床数控系统 故障诊断与维修规范
    GB
    GB/T 39130-2020- English Version of China GB-National Standard
    Measuring method for adhesion of zinc coating for galvanized products
    镀锌产品锌层附着性试验方法
    GB
    GB/T 39131-2020- English Version of China GB-National Standard
    Terms and definitions of synthetic crystal materials
    人工晶体材料术语
    GB
    GB/T 39132-2020- English Version of China GB-National Standard
    Fuel cell electric vehicle engineering approval evaluation program
    燃料电池电动汽车定型试验规程
    GB
    GB/T 39133-2020- English Version of China GB-National Standard
    Suspender of suspension bridge
    悬索桥吊索
    GB
    GB/T 39134-2020- English Version of China GB-National Standard
    Industrial robot numerical control system of machine tool—Programming language
    机床工业机器人数控系统 编程语言
    GB
    GB/T 39135-2020- English Version of China GB-National Standard
    Test method of color difference for photovoltaic glass module used in building
    建筑光伏玻璃组件色差检测方法
    GB
    GB/T 39136-2020- English Version of China GB-National Standard
    Integrity requirements of superstructure fabrication for ship
    船舶上层建筑制造完整性要求
    GB
    GB/T 39137-2020- English Version of China GB-National Standard
    Determination for the orientation of refractory metal single crystal
    难熔金属单晶晶向测定方法
    GB
    GB/T 39138.1-2020- English Version of China GB-National Standard
    Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1:Determination of gold content—Potentiometric titration using ferrous sulfate
    金镍铬铁硅硼合金化学分析方法 第1部分:金含量的测定 硫酸亚铁电位滴定法
    GB
    GB/T 39138.2-2020- English Version of China GB-National Standard
    Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 2:Determination of nickel content—Dimethylglyoxime gravimetric method
    金镍铬铁硅硼合金化学分析方法 第2部分:镍含量的测定 丁二酮肟重量法
    GB
    GB/T 39138.3-2020- English Version of China GB-National Standard
    Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 3:Determination of chromium, iron, silicon and boron contents—Inductively coupled plasma atomic emission spectrometry
    金镍铬铁硅硼合金化学分析方法 第3部分:铬、铁、硅、硼含量的测定 电感耦合等离子体原子发射光谱法
    GB
    GB/T 39139.1-2020- English Version of China GB-National Standard
    Shale gas—Environmental protection—Part 1:Pollution prevention and disposal methods for drilling operation
    页岩气 环境保护 第1部分:钻井作业污染防治与处置方法
    GB
    GB/T 39140.1-2020- English Version of China GB-National Standard
    Clamping flanges for diamond circular saw blade—Part 1:Stone processing
    金刚石圆锯片用夹紧卡盘 第1部分:石材加工
    GB
    GB/T 39140.2-2020- English Version of China GB-National Standard
    Clamping flanges for diamond circular saw blade—Part 2:Building construction and civil engineering
    金刚石圆锯片用夹紧卡盘 第2部分:建筑施工和土木工程
    GB
    GB/T 39141.1-2020- English Version of China GB-National Standard
    Mineral and sapphire watch-glasses—Part 1:Dimensions and tolerances
    无机和蓝宝石手表玻璃 第1部分:尺寸和公差
    GB
    GB/T 39142.1-2020- English Version of China GB-National Standard
    Specification of plastic-steel bilayer self-lubricating materials—Part 1:Running-in layer with modified PTFE tape
    塑料-钢背二层粘接复合自润滑板材技术条件 第1部分:带改性聚四氟乙烯(PTFE)减摩层的板材
    GB
    GB/T 39143-2020- English Version of China GB-National Standard
    Methods for chemical analysis of gold-arsenic alloys—Determination of arsenic content—Inductively coupled plasma atomic emission spectrometry
    金砷合金化学分析方法 砷含量的测定 电感耦合等离子体原子发射光谱法
    GB
    GB/T 39144-2020- English Version of China GB-National Standard
    Test method for magnesium content in gallium nitride materials—Secondary ion mass spectrometry
    氮化镓材料中镁含量的测定 二次离子质谱法
    GB
    GB/T 39145-2020- English Version of China GB-National Standard
    Test method for the content of surface metal elements on silicon wafers—Inductively coupled plasma mass spectrometry
    硅片表面金属元素含量的测定 电感耦合等离子体质谱法
    GB
    GB/T 39146-2020- English Version of China GB-National Standard
    Refractory materials—Test method of corrosion resistance to molten aluminum alloy
    耐火材料 抗熔融铝合金侵蚀试验方法
    GB
    GB/T 39147-2020- English Version of China GB-National Standard
    Steel fiber for concrete
    混凝土用钢纤维
    GB
    GB/T 39148-2020- English Version of China GB-National Standard
    Recycled bismuth material
    回收铋原料
    GB
    GB/T 39149-2020- English Version of China GB-National Standard
    Recycled tellurium material
    回收碲原料
    GB
    GB/T 39150-2020- English Version of China GB-National Standard
    Recycled selenium material
    回收硒原料
    GB
    GB/T 39151-2020- English Version of China GB-National Standard
    Nickel beryllium titanium alloy strip for high temperature elastic component
    高温弹性元件用镍铍钛合金带材
    GB
    GB/T 39152-2020- English Version of China GB-National Standard
    Test method of the bending stress relaxation for copper and copper alloy
    铜及铜合金弯曲应力松弛试验方法
    GB
    GB/T 39153-2020- English Version of China GB-National Standard
    Metastable decomposition strengthened Cu-Ni-Sn alloy rod
    亚稳分解强化铜-镍-锡合金棒材
    GB
    GB/T 39154-2020- English Version of China GB-National Standard
    Corrosion of metals and alloys—Cathodic protection of steel in concrete
    金属和合金的腐蚀 混凝土用钢筋的阴极保护
    GB
    GB/T 39155-2020- English Version of China GB-National Standard
    Corrosion of metals and alloys—Cathodic protection of harbour installations
    金属和合金的腐蚀 海港设施的阴极保护
    GB
    GB/T 39161-2020- English Version of China GB-National Standard
    General rules for drafting the guidelines for industrial circular economy practical technologies
    行业循环经济实践技术指南编制通则
    GB
    GB/T 39162-2020- English Version of China GB-National Standard
    Guidlines for circular economy practical technologies in thermal power industry(coal-fired power generation company)
    火电行业(燃煤发电企业)循环经济实践技术指南
    GB
    GB/T 39164-2020- English Version of China GB-National Standard
    Tools for moulding—Thermal insulating sheets for injection moulds
    成型模 注射模隔热板
    GB
    GB/T 39165-2020- English Version of China GB-National Standard
    Test method of peel and chisel for resistance spot and projection welds
    电阻点焊及凸焊接头的剥离和凿离试验方法
    GB
    GB/T 39166-2020- English Version of China GB-National Standard
    Test method of mechanized peel for resistance spot, projection and seam welds
    电阻点焊、凸焊及缝焊接头的机械剥离试验方法
    GB
    GB/T 39167-2020- English Version of China GB-National Standard
    Test method of tensile shear for resistance spot and embossed projection welds
    电阻点焊及凸焊接头的拉伸剪切试验方法
    GB
    GB/T 39168-2020- English Version of China GB-National Standard
    Guidelines for circular economy practical technologies in iron and steel industry
    钢铁行业循环经济实践技术指南
    GB
    GB/T 39169-2020- English Version of China GB-National Standard
    Blanks for diamond circular saw blade—Mounting and fixing bores—Building construction and civil engineering
    金刚石圆锯片基体 安装和固定孔 建筑施工和土木工程

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