China National Standards

China under GB Standards English PDF List


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 "under" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 45155-2024 Quality management-Guidelines for understanding, evaluating and improving the quality culture of organizations
    质量管理-理解、评价和改进组织的质量文化指南
    China National Standards
    under

    English PDF
    GB/T 45171-2024 Determination of the temperature of the contact surface of plastic food contact materials and products with food under microwave heating conditions
    塑料类食品接触材料及制品在微波加热条件下与食品接触面温度的测定
    China National Standards
    under

    English PDF
    GB/T 44804-2024 Acoustics - Statistical distribution of hearing thresholds of normal otologists aged 18 to 25 under free field conditions
    声学-自由场条件下18岁至25岁耳科正常人听力阈值的统计分布
    China National Standards
    under

    English PDF
    GB/T 44594-2024 General technical requirements for underwater booster robots
    水下助推机器人通用技术要求
    China National Standards
    under

    English PDF
    GB/T 44468-2024 Intuitive and qualitative analysis methods for plastic degradation rate under artificial simulated marine environmental conditions
    人工模拟海洋环境条件下塑料降解速率直观和定性分析方法
    China National Standards
    under

    English PDF
    GB/T 44518-2024 underwater high-pressure dry welding process assessment test
    水下高压干式焊接工艺评定试验
    China National Standards
    under

    English PDF
    GB/T 44527-2024 underwater high-pressure dry welding - Skill assessment for diving welders and welding operators
    水下高压干式焊接潜水焊工和焊接操作工技能评定
    China National Standards
    under

    English PDF
    GB/T 28267.3-2024 Wire rope conveyor belts - Part 3: Special safety requirements for conveyor belts for underground use
    钢丝绳芯输送带-第3部分:井下用输送带的特殊安全要求
    China National Standards
    under

    English PDF
    GB/T 44549-2024 Test method for interfacial bonding strength of ceramic materials under high temperature conditions
    高温条件下陶瓷材料界面黏结强度试验方法
    China National Standards
    under

    English PDF
    GB/T 6553-2024 Electrical insulating materials for use under severe environmental conditions - Test methods for assessing resistance to tracking and erosion
    严酷环境条件下使用的电气绝缘材料-评定耐电痕化和蚀损的试验方法
    China National Standards
    under

    English PDF
    GB/T 24601-2024 Hardware system for internal casement and underhang for building windows
    建筑窗用内平开下悬五金系统
    China National Standards
    under

    English PDF
    GB/T 44042-2024 Method for measuring underwater radiated noise of ships
    船舶水下辐射噪声测量方法
    China National Standards
    under

    English PDF
    GB/T 41666.7-2024 Plastic pipe systems for trenchless repair of underground non-pressure drainage networks - Part 7: Spiral winding lining method
    地下无压排水管网非开挖修复用塑料管道系统-第7部分:螺旋缠绕内衬法
    China National Standards
    under

    English PDF
    GB/T 43982.1-2024 Plastic pipe systems for trenchless repair of underground water supply networks - Part 1: General
    地下供水管网非开挖修复用塑料管道系统-第1部分:总则
    China National Standards
    under

    English PDF
    GB/T 34877.4-2024 Industrial fans-Determination of sound power level of fans under standard laboratory conditions-Part 4: Sound intensity method
    工业风机-标准实验室条件下风机声功率级的测定-第4部分:声强法
    China National Standards
    under

    English PDF
    GB/T 43849-2024 Basic Environmental Test Methods for underwater Robot Complete Machines and Components-Hydrostatic Pressure Test Method
    水下机器人整机及零部件基本环境试验方法-水静压力试验方法
    China National Standards
    under

    English PDF
    GB/T 43664.1-2024 Plastic pipe systems for trenchless repair of underground non-pressure drainage networks-Part-4: In-situ curing lining method
    水处理剂分散性能测定方法-第1部分:分散高岭土法
    China National Standards
    under

    English PDF
    GB/T 43556.2-2023 Fiber Optic Cable Line Maintenance Technology Part 2: underground Splice Box Water Leakage Monitoring Using Optical Monitoring System
    光纤光缆线路维护技术 第2部分:使用光学监测系统的地埋接头盒浸水监测
    China National Standards
    under

    English PDF
    GB/T 34877.2-2023 Industrial fans - Determination of fan sound power levels under standard laboratory conditions - Part 2: Reverberation chamber method
    工业风机 标准实验室条件下风机声功率级的测定 第2部分:混响室法
    China National Standards
    under

    English PDF
    GB/T 34877.1-2023 Industrial fans - Determination of fan sound power levels under standard laboratory conditions - Part 1: General requirements
    工业风机 标准实验室条件下风机声功率级的测定 第1部分:通用要求
    China National Standards
    under

    English PDF
    GB/T 21008-2023 Safety requirements for underground mining aerial ropeways
    地下矿用架空索道 安全要求
    China National Standards
    under

    English PDF
    GB/Z 17624.7-2023 Electromagnetic compatibility Overview Part 7: Power factor of single-phase systems under non-sinusoidal conditions
    电磁兼容 综述 第7部分:非正弦条件下单相系统的功率因数
    China National Standards
    under

    English PDF
    GB/T 9089.3-2023 Electrical installations under severe outdoor conditions Part 3: General requirements for equipment and accessories
    户外严酷条件下的电气设施 第3部分:设备及附件的一般要求
    China National Standards
    under

    English PDF
    GB/T 43289-2023 Plastics. Test method for determining the rate of decomposition and extent of disintegration of plastic materials in matrices exposed to the marine environment under laboratory conditions.
    塑料 实验室条件下测定暴露于海洋环境基质中塑料材料分解率和崩解程度的试验方法
    China National Standards
    under

    English PDF
    GB/T 43287-2023 Plastics Determination of the degree of disintegration of plastic materials in the marine environment under actual field conditions
    塑料 在实际野外条件海洋环境中塑料材料崩解度的测定
    China National Standards
    under

    English PDF
    GB/T 25851.2-2023 Mobile cranes - Test determination of crane performance - Part 2: Structural capacity under static loads
    流动式起重机 起重机性能的试验测定 第2部分:静载荷作用下的结构能力
    China National Standards
    under

    English PDF
    GB/Z 21223.3-2023 Guidelines for statistical analysis of aging test data Part 3: Minimum number of specimens under different test conditions given test data
    老化试验数据统计分析导则 第3部分:给定试验数据的不同试验条件下的最少试样数量
    China National Standards
    under

    English PDF
    GB/Z 20833.5-2023 Rotating electrical machines - Winding insulation - Part 5: Offline measurement of partial discharge onset voltage under repeated impulse voltages
    旋转电机 绕组绝缘 第5部分:重复冲击电压下局部放电起始电压的离线测量
    China National Standards
    under

    English PDF
    GB/T 43183-2023 Technical Regulations for understory Cultivation of Asarum Asarum
    北细辛林下栽培技术规程
    China National Standards
    under

    English PDF
    GB/T 43118-2023 Corrosion of metals and alloys Test method for high-temperature corrosion of metallic materials under the action of deposits of salt, ash or other substances
    金属和合金的腐蚀 金属材料在盐、灰烬或其他物质的沉积物作用下进行高温腐蚀的试验方法
    China National Standards
    under

    English PDF
    GB/T 43096-2023 Metal powders. Determination of external specific surface area by powder layer permeability test under steady flow conditions.
    金属粉末 稳态流动条件下粉末层透过性试验测定外比表面积
    China National Standards
    under

    English PDF
    GB/T 42987-2023 Urban underground space data requirements
    城市地下空间数据要求
    China National Standards
    under

    English PDF
    GB/T 42912-2023 Corrosion of metals and alloys Test methods for high-temperature corrosion of metallic materials under static immersion in molten salts or other liquids
    金属和合金的腐蚀 金属材料在静态浸入熔盐或其他液体条件下的高温腐蚀试验方法
    China National Standards
    under

    English PDF
    GB/T 17421.1-2023 General principles for inspection of machine tools Part 1: Geometric accuracy of machine tools under no-load or quasi-static conditions
    机床检验通则 第1部分:在无负荷或准静态条件下机床的几何精度
    China National Standards
    under

    English PDF
    GB/T 38121-2023 Lightning Protection Thunderstorm Warning System
    雷电防护 雷暴预警系统
    China National Standards
    under

    English PDF
    GB/T 42764-2023 Plastics - Evaluation of the intrinsic aerobic biodegradability of materials exposed to marine inoculum under laboratory mesophilic conditions - Test methods and requirements
    塑料 在实验室中温条件下暴露于海洋接种物的材料固有需氧生物分解能力评估 试验方法与要求
    China National Standards
    under

    English PDF
    GB/T 9089.2-2023 Electrical installations under severe outdoor conditions - Part 2: General protection requirements
    户外严酷条件下的电气设施 第2部分:一般防护要求
    China National Standards
    under

    English PDF
    GB/T 5989-2023 Refractories - Test method for softening temperature under load (differential heating method)
    耐火材料 荷重软化温度试验方法(示差升温法)
    China National Standards
    under

    English PDF
    GB/T 8878-2023 knitted underwear
    针织内衣
    China National Standards
    under

    English PDF
    GB/T 42613-2023 Plain bearings - Tests for bearing materials - Resistance to corrosion by lubricants under static conditions
    滑动轴承 轴承材料试验 静态条件下抗润滑剂腐蚀能力
    China National Standards
    under

    English PDF
    GB/T 42632-2023 Technical requirements for underwater cabled online monitoring system for marine ecological environment
    海洋生态环境水下有缆在线监测系统技术要求
    China National Standards
    under

    English PDF
    GB/T 42640-2023 Technical specification for multi-beam underwater topographic survey
    多波束水下地形测量技术规范
    China National Standards
    under

    English PDF
    GB/T 42638-2023 Method for direct measurement of coal seam gas drainage radius in underground coal mine - Drainage volume method
    煤矿井下煤层瓦斯抽采半径直接测定方法 抽采量法
    China National Standards
    under

    English PDF
    GB/T 42368-2023 Method for Determination of Explosive Limits of Combustible Gas (Steam) under High Temperature and High Pressure Conditions
    高温高压条件下可燃气体(蒸气)爆炸极限测定方法
    China National Standards
    under

    English PDF
    GB/T 42393-2023 Method for drawing regional wind damage distribution map of power grid under high altitude micro-topography and micro-meteorological conditions
    高海拔微地形微气象条件下电网区域风害分布图绘制方法
    China National Standards
    under

    English PDF
    GB/Z 28820.4-2022 Long-term radiation aging of polymers - Part 4: Effect of different temperatures and dose rates under radiation conditions
    聚合物长期辐射老化 第4部分:辐射条件下不同温度和剂量率的影响
    China National Standards
    under

    English PDF
    GB/T 41639-2022 Plastics Determination of disintegration rate of plastic materials under laboratory-scale simulated composting conditions
    塑料 在实验室规模模拟堆肥化条件下塑料材料崩解率的测定
    China National Standards
    under

    English PDF
    GB/T 41455-2022 underground pipeline element data dictionary
    地下管线要素数据字典
    China National Standards
    under

    English PDF
    GB/T 41447-2022 Technical specification for 3D modeling of urban underground space
    城市地下空间三维建模技术规范
    China National Standards
    under

    English PDF
    GB/T 18380.34-2022 Fire tests of electric and optical cables under fire conditions - Part 34: vertical flame spread test for vertically mounted bunched wires and cables, class B
    电缆和光缆在火焰条件下的燃烧试验 第34部分:垂直安装的成束电线电缆火焰垂直蔓延试验 B类
    China National Standards
    under

    English PDF
    GB/T 18380.33-2022 Fire tests of electric and optical cables under fire conditions - Part 33: vertical flame spread test for vertically mounted bunched wires and cables, class A
    电缆和光缆在火焰条件下的燃烧试验 第33部分:垂直安装的成束电线电缆火焰垂直蔓延试验 A类
    China National Standards
    under

    English PDF
    GB/T 18380.32-2022 Fire tests of electric and optical cables under fire conditions - Part 32: vertical flame spread test for vertically mounted bunched wires and cables, class A, f / R
    电缆和光缆在火焰条件下的燃烧试验 第32部分:垂直安装的成束电线电缆火焰垂直蔓延试验 A F/R类
    China National Standards
    under

    English PDF
    GB/T 13761.1-2022 Geosynthetics - Determination of thickness under specified pressure - Part 1: single layer products
    土工合成材料 规定压力下厚度的测定 第1部分:单层产品
    China National Standards
    under

    English PDF
    GB/T 10811-2022 underglaze / medium color daily porcelain
    釉下/中彩日用瓷器
    China National Standards
    under

    English PDF
    GB/T 41552-2022 Technical specification for ecological planting under Panax notoginseng forest
    三七林下生态种植技术规程
    China National Standards
    under

    English PDF
    GB/T 41666.3-2022 Plastic piping systems for Trenchless repair of underground pressureless drainage networks - Part 3: close fitting lining method
    地下无压排水管网非开挖修复用塑料管道系统 第 3 部分:紧密贴合内衬法
    China National Standards
    under

    English PDF
    GB/T 41415-2022 Textiles - Determination of dimensional change rate under dry, wet and hot conditions
    纺织品 干湿热条件下尺寸变化率的测定
    China National Standards
    under

    English PDF
    GB/T 18380.36-2022 Tests on electric and optical fibre cables under fire conditions—Part 36:Test for vertical flame spread of vertically-mounted bunched wires or cables—Category D
    电缆和光缆在火焰条件下的燃烧试验 第36部分:垂直安装的成束电线电缆火焰垂直蔓延试验 D类
    China National Standards
    under

    English PDF
    GB/T 18380.35-2022 Tests on electric and optical fibre cables under fire conditions - Part 35: Test for vertical flame spread of vertically-mounted bunched wires or cables - Category C
    电缆和光缆在火焰条件下的燃烧试验 第35部分:垂直安装的成束电线电缆火焰垂直蔓延试验 C类
    China National Standards
    under

    English PDF
    GB/T 18380.31-2022 Tests on electric and optical fibre cables under fire conditions—Part 31: Test for vertical flame spread of vertically-mounted bunched wires or cables—Apparatus
    电缆和光缆在火焰条件下的燃烧试验 第31部分:垂直安装的成束电线电缆火焰垂直蔓延试验 试验装置
    China National Standards
    under

    English PDF
    GB/T 18380.13-2022 Tests on electric and optical fibre cables under fire conditions—Part 13:Test for vertical flame propagation for a single insulated wire or cable—Procedure for determination of flaming droplets/particles
    电缆和光缆在火焰条件下的燃烧试验 第13部分:单根绝缘电线电缆火焰垂直蔓延试验 测定燃烧的滴落(物)/微粒的试验方法
    China National Standards
    under

    English PDF
    GB/T 18380.12-2022 Tests on electric and optical fibre cables under fire conditions—Part 12:Test for vertical flame propagation for a single insulated wire or cable—Procedure for 1 kW pre-mixed flame
    电缆和光缆在火焰条件下的燃烧试验 第12部分:单根绝缘电线电缆火焰垂直蔓延试验 1 kW 预混合型火焰试验方法
    China National Standards
    under

    English PDF
    GB/T 18380.11-2022 Tests on electric and optical fibre cables under fire conditions—Part 11:Test for vertical flame propagation for a single insulated wire or cable—Apparatus
    电缆和光缆在火焰条件下的燃烧试验 第11部分:单根绝缘电线电缆火焰垂直蔓延试验 试验装置
    China National Standards
    under

    English PDF
    GB/T 41311.1-2022 Acoustics - Describe the quantity of underwater noise from ships and methods of measurement - Part 1: Requirements for precision measurements in deep water for comparison purposes
    声学 描述船舶水下噪声的量及其测量方法 第1部分:用于比对目的的深水精密测量要求
    China National Standards
    under

    English PDF
    GB/T 41332-2022 Technical requirements for remote detection equipment for municipal underground pipelines
    市政地下管线远程探测设备技术要求
    China National Standards
    under

    English PDF
    GB/T 42164-2022 Leather - Chemical tests - Determination of hexavalent chromium content under heat aging conditions
    皮革 化学试验 热老化条件下六价铬含量的测定
    China National Standards
    under

    English PDF
    GB/T 42141-2022 Design criteria for radiation protection of nuclear island buildings under accident conditions in pressurized water reactor nuclear power plants
    压水堆核电厂事故工况核岛厂房辐射防护设计准则
    China National Standards
    under

    English PDF
    GB/T 41925-2022 Classification of Urban underground Space and Underground Engineering
    城市地下空间与地下工程分类
    China National Standards
    under

    English PDF
    GB/T 42266-2022 Flexible porous polymeric materials - Laboratory evaluation of the combustion characteristics of small specimens in the horizontal direction under a small flame
    柔性多孔聚合物材料 小试样在小火焰下水平方向燃烧特性的实验室评估
    China National Standards
    under

    English PDF
    GB/T 42267-2022 Determination of compression set of flexible porous polymeric materials under wet conditions
    柔性多孔聚合物材料 在潮湿条件下压缩永久变形的测定
    China National Standards
    under

    English PDF
    GB/T 42261-2022 Metal and other inorganic coatings - thermal cycle test method for thermal barrier coatings under temperature gradient
    金属及其他无机覆盖层 温度梯度下热障涂层热循环试验方法
    China National Standards
    under

    English PDF
    GB/T 13477.23-2022 Test methods for building sealing materials - Part 23: Determination of durability after tension-compression cycles under artificial accelerated weathering
    建筑密封材料试验方法 第23部分:人工加速气候老化下拉伸-压缩循环后耐久性的测定
    China National Standards
    under

    English PDF
    GB/T 41813.2-2022 Information technology—Test methods for intelligent voice interaction—Part 2: Semantic understanding
    信息技术 智能语音交互测试方法 第2部分:语义理解
    China National Standards
    under

    English PDF
    GB/T 21352-2022 Steel cord core flame retardant conveyor belt for underground mine
    地下矿井用钢丝绳芯阻燃输送带
    China National Standards
    under

    English PDF
    GB/T 41981.2-2022 Connections for hydraulic transmissions - Pressure fittings - Part 2: Connectable under pressure
    液压传动连接 测压接头 第2部分:可带压连接式
    China National Standards
    under

    English PDF
    GB/T 22359.1-2022 Earth-moving and building construction machinery - Electromagnetic compatibility (EMC) of machines with built-in power supply - Part 1: General requirements for EMC under typical electromagnetic environmental conditions
    土方机械与建筑施工机械 内置电源机器的电磁兼容性(EMC) 第1部分:典型电磁环境条件下的EMC一般要求
    China National Standards
    under

    English PDF
    GB/T 42059-2022 Test methods for underwater glider systems
    水下滑翔器系统试验方法
    China National Standards
    under

    English PDF
    GB 16993-2021 Safety regulations for avoid working under hazardous condition of oxygen deficiency in enclosed spaces aboard ships
    防止船舶封闭处所缺氧危险作业安全规程
    China National Standards
    under

    English PDF
    GB/T 40504-2021 Management specification for water conservation on laundering of public textiles
    公用纺织品洗涤场所节水管理规范
    China National Standards
    under

    English PDF
    GB/T 40118-2021 Plain bearings—Testing under conditions of hydrodynamic and mixed lubrication in test rigs
    滑动轴承 流体动压和混合润滑条件台架试验
    China National Standards
    under

    English PDF
    GB/T 19216.3-2021 Circuit integrity test for electric cables or optical fiber cables under fire conditions—Part 3:Test method for fire with shock at a temperature of at least 830℃ for cables of rated voltage up to and including 0.6/1 kV tested in a metal enclosure
    在火焰条件下电缆或光缆的线路完整性试验 第3部分:火焰温度不低于830 ℃的供火并施加冲击振动,额定电压0.6/1 kV及以下电缆穿在金属管中进行的试验方法
    China National Standards
    under

    English PDF
    GB/T 19216.2-2021 Circuit integrity test for electric cables or optical fiber cables under fire conditions - Part 2: Test method for fire with shock at a temperature of at least 830 ℃ for cables of rated voltage up to and including 0.6/1 kV and with an overall diameter not
    在火焰条件下电缆或光缆的线路完整性试验 第2部分:火焰温度不低于830 ℃的供火并施加冲击振动,额定电压0.6/1 kV及以下外径不超过20 mm电缆的试验方法
    China National Standards
    under

    English PDF
    GB/T 19216.1-2021 Circuit integrity test for electric cables or optical fiber cables under fire conditions-Part 1:Test method for fire with shock at atemperature of at least 830 ℃ for cables of rated voltage up to and including 0.6/ 1 kV and with an overall diameter exceed
    在火焰条件下电缆或光缆的线路完整性试验 第1部分:火焰温度不低于830 ℃的供火并施加冲击振动,额定电压0.6/1 kV及以下外径超过20 mm电缆的试验方法
    China National Standards
    under

    English PDF
    GB 16993-2021 Safety regulations for avoid working under hazardous condition of oxygen deficiency in enclosed spaces aboard ships
    防止船舶封闭处所缺氧危险作业安全规程
    China National Standards
    under

    English PDF
    GB/T 39997-2021 Thermoplastic pipework for underground installation at petrol filling stations
    加油站埋地用热塑性塑料复合管道系统
    China National Standards
    under

    English PDF
    GB/T 17651.2-2021 Measurement of smoke density of cables or optical fiber cables burning under defined conditions - Part 2: Test procedure and requirements
    电缆或光缆在特定条件下燃烧的烟密度测定 第2部分:试验程序和要求
    China National Standards
    under

    English PDF
    GB/T 17651.1-2021 Measurement of smoke density of cables or optical fiber cables burning under defined conditions-Part 1:Test apparatus
    电缆或光缆在特定条件下燃烧的烟密度测定 第1部分:试验装置
    China National Standards
    under

    English PDF
    GB/T 39748.7-2021 Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 7:Gravimetric determination of absorption under pressure
    失禁用尿吸收辅助器具 聚合物基质吸液材料特性的测试方法 第7部分:称重法测定压力作用下的吸液量
    China National Standards
    under

    English PDF
    GB/T 39938-2021 Electric room heating—underfloor heating—Performance characteristics—Definitions, method of testing, sizing and formula symbols
    室内电取暖 地暖 性能特征 定义、测试方法、尺寸和公式符号
    China National Standards
    under

    English PDF
    GB/T 4652-2021 Loader for underground mining—Testing method
    地下矿用装岩机和装载机 试验方法
    China National Standards
    under

    English PDF
    GB/T 40588-2021 Technical provisions for automatic under-voltage load shedding in electric power systems
    电力系统自动低压减负荷技术规定
    China National Standards
    under

    English PDF
    GB/T 40596-2021 Technical rules for automatic under-frequency load shedding in electric power systems
    电力系统自动低频减负荷技术规定
    China National Standards
    under

    English PDF
    GB/T 3836.30-2021 Explosive atmospheres—Part 30: Equipment and components in explosive atmospheres in underground mines
    爆炸性环境 第30部分:地下矿井爆炸性环境用设备和元件
    China National Standards
    under

    English PDF
    GB/T 9089.1-2021 Electrical installations for outdoor sites under heavy conditions—Part 1: Vocabulary
    户外严酷条件下的电气设施 第1部分:术语
    China National Standards
    under

    English PDF
    GB/T 38832-2020 Technical requirements of broadband customer networking based on public telecommunication network—High-speed visible light communications under lighting constrains
    基于公用电信网的宽带客户网络联网技术要求 通照一体化高速可见光通信
    China National Standards
    under

    English PDF
    GB/T 50455-2020 Standayd for design of underground oil storage in rock caverns
    地下水封石洞油库设计标准
    China National Standards
    under

    English PDF
    GB/T 39624-2020 Technical specification for underwater topographic survey of airborne lidar
    机载激光雷达水下地形测量技术规范
    China National Standards
    under

    English PDF
    GB/T 39383-2020 Thermoplastics piping systems for underground non-pressure applications—Test method for leaktightness of elastomeric sealing ring type joints
    埋地用无压热塑性塑料管道系统 弹性密封圈接头的密封性能试验方法
    China National Standards
    under

    English PDF
    GB/T 39227-2020 Immunity time testing method under voltage dip for sensitive process rated less than 1000 V
    1000 V以下敏感过程电压暂降免疫时间测试方法
    China National Standards
    under

    English PDF
    GB/T 38430-2019 Corrosion of metals and alloys—Test method for isothermal-exposure oxidation testing under high-temperature corrosion conditions for metallic materials
    金属和合金的腐蚀 金属材料在高温腐蚀条件下的等温暴露氧化试验方法
    China National Standards
    under

    English PDF

    Find out:379Items   |  To Page of: First -Previous-Next -Last  | 1 2 3 4

     

    +86-755-25831330        [email protected] 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2025 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.gbstandards.org

    China National Standards