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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. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40095-2021 |
Technical specificatIOns for measurement and control device in smart substation 智能变电站测控装置技术规范 |
China National Standards IO |
 English PDF |
| GB/T 40094.4-2021 |
Electronic commerce data transactIOn—Part 4:Privacy protection specification 电子商务数据交易 第4部分：隐私保护规范 |
China National Standards IO |
English PDF |
| GB/T 40094.3-2021 |
Electronic commerce data transactIOn—Part 3:Data interface specification 电子商务数据交易 第3部分：数据接口规范 |
China National Standards IO |
English PDF |
| GB/T 40094.2-2021 |
Electronic commerce data transactIOn—Part 2:Data description specification 电子商务数据交易 第2部分：数据描述规范 |
China National Standards IO |
English PDF |
| GB/T 40094.1-2021 |
Electronic commerce data transactIOn-Part 1:Criteria 电子商务数据交易 第1部分：准则 |
China National Standards IO |
English PDF |
| GB/T 40092-2021 |
Assessment technical specificatIOn for eco-design product—Tranformers 生态设计产品评价技术规范 变压器 |
China National Standards IO |
English PDF |
| GB/T 40071-2021 |
Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensIOnal (2D) materials—Optical contrast method 纳米技术 石墨烯相关二维材料的层数测量 光学对比度法 |
China National Standards IO |
English PDF |
| GB/T 40069-2021 |
Nanotechnologies—Measurement of the number of layers of graphene-related two-dimensIOnal (2D) materials—Raman spectroscopy method 纳米技术 石墨烯相关二维材料的层数测量 拉曼光谱法 |
China National Standards IO |
English PDF |
| GB/T 40068-2021 |
ElectrofusIOn welding sleeve(tape) for thermal insulation pipeline 保温管道用电热熔套（带） |
China National Standards IO |
English PDF |
| GB/T 40067-2021 |
Microstructure and defect determinatIOn of tungsten carbide powder 碳化钨粉末微观组织及缺陷检测方法 |
China National Standards IO |
English PDF |
| GB/T 39988-2021 |
Technical specificatIOn for total tailings paste production and disposal 全尾砂膏体制备与堆存技术规范 |
China National Standards IO |
English PDF |
| GB/T 39981-2021 |
Building constructIOn machinery and equipment—Portable,hand-held,internal combustion engine driven cut-off machines—Safety requirements 建筑施工机械与设备 便携、手持、内燃机式切割机 安全要求 |
China National Standards IO |
English PDF |
| GB/T 39979-2021 |
General technical specificatIOn of indoor window decoration for building 建筑室内窗饰产品通用技术要求 |
China National Standards IO |
English PDF |
| GB/T 39976-2021 |
EvaporatIOn cooling outdoor air conditioning equipment 蒸发冷却式新风空调设备 |
China National Standards IO |
English PDF |
| GB/T 38329.2-2021 |
Utility connectIOns in port - Part 2: High and low voltage shore connection systems - Data communication for monitoring and control 港口船岸连接 第2部分：高压和低压岸电连接系统 监测和控制的数据传输 |
China National Standards IO |
English PDF |
| GB/T 38047.2-2021 |
EvaluatIOn methods for reliability on smart household appliances - Part 2: Special requirements for room air conditioners 智能家用电器可靠性评价方法 第2部分：房间空气调节器的特殊要求 |
China National Standards IO |
English PDF |
| GB/T 38010.3-2021 |
Spectacle frames and sunglasses electronic catalogue and identificatIOn—Part 3: Technical information 眼镜架和太阳镜电子目录与识别 第3部分：技术信息 |
China National Standards IO |
English PDF |
| GB/T 38010.2-2021 |
Spectacle frames and sunglasses electronic catalogue and identificatIOn—Part 2: Commercial information 眼镜架和太阳镜电子目录与识别 第2部分：商业信息 |
China National Standards IO |
English PDF |
| GB/T 37162.3-2021 |
Hydraulic fluid power-Monitoring the level of particulate contaminatIOn of the fluid-Part 3:Use of the filter blockage technique 液压传动 液体颗粒污染度的监测 第3部分：利用滤膜阻塞技术 |
China National Standards IO |
English PDF |
| GB/T 31838.6-2021 |
Solid insulating materials—Dielectric and resistive properties—Part 6:Dielectric properties(AC method)—Relative permittivity and dielectric dissipatIOn factor(frequencies 0.1Hz～10 MHz) 固体绝缘材料 介电和电阻特性 第6部分：介电特性（AC方法） 相对介电常数和介质损耗因数（频率0.1Hz~10MHz） |
China National Standards IO |
English PDF |
| GB/T 31838.5-2021 |
Solid insulating materials - Dielectric and resistive properties - Part 5: Resistive properties(DC method) - Volume resistance and volume resistivity of impregnatIOn and coating materials 固体绝缘材料 介电和电阻特性 第5部分：电阻特性(DC方法) 浸渍和涂层材料的体积电阻和体积电阻率 |
China National Standards IO |
English PDF |
| GB/T 31070.3-2021 |
Building intercom systems—Part 3:Technical requirements for specific applicatIOns 楼寓对讲系统 第3部分:特定应用技术要求 |
China National Standards IO |
English PDF |
| GB/T 29716.3-2021 |
Mechanical vibratIOn and shock—Signal processing—Part 3:Methods of time-frequency analysis 机械振动与冲击 信号处理 第3部分：时频分析方法 |
China National Standards IO |
English PDF |
| GB/T 28951-2021 |
Forest certificatIOn in China—Forest management 中国森林认证 森林经营 |
China National Standards IO |
English PDF |
| GB/T 27800-2021 |
DeterminatIOn of the life for static sealing rubber products 静密封橡胶制品使用寿命的快速预测方法 |
China National Standards IO |
English PDF |
| GB/T 27021.3-2021 |
Conformity assessment - Requirements for bodies providing audit and certificatIOn of management systems - Part 3: Competence requirements for auditing and certification of quality management systems 合格评定 管理体系审核认证机构要求 第3部分：质量管理体系审核与认证能力要求 |
China National Standards IO |
English PDF |
| GB/T 27021.2-2021 |
Conformity assessment - Requirements for bodies providing audit and certificatIOn of management systems - Part 2: Competence requirements for auditing and certification of environmental management systems 合格评定 管理体系审核认证机构要求 第2部分：环境管理体系审核与认证能力要求 |
China National Standards IO |
English PDF |
| GB/T 25301-2021 |
Resistance welding equipment - Transformers - General specificatIOns applicable to all transformers 电阻焊设备 变压器 适用于所有变压器的通用技术条件 |
China National Standards IO |
English PDF |
| GB/T 24279.2-2021 |
Textiles - DeterminatIOn of certain flame retardants - Part 2: Phosphorus flame retardants 纺织品 某些阻燃剂的测定 第2部分:磷系阻燃剂 |
China National Standards IO |
English PDF |
| GB/T 23902-2021 |
Non-destructive testing - Ultrasonic testing - Time-of-flight diffractIOn technique as a method for detection and sizing of discontinuities 无损检测 超声检测 超声衍射声时技术检测和评价方法 |
China National Standards IO |
English PDF |
| GB/T 23537-2021 |
Superabrasive products - Grinding wheels and mounted points with diamond or cubic boron nitride - Limit deviatIOns and run-out tolerances 超硬磨料制品 金刚石或立方氮化硼砂轮和磨头 极限偏差和圆跳动公差 |
China National Standards IO |
English PDF |
| GB/T 23294-2021 |
AbrasIOn resistant refractory materials 耐磨耐火材料 |
China National Standards IO |
English PDF |
| GB/T 22889-2021 |
Leather—Physical and mechanical tests—DeterminatIOn of surface coating thickness 皮革 物理和机械试验 表面涂层厚度的测定 |
China National Standards IO |
English PDF |
| GB/T 22888-2021 |
Leather - Physical and mechanical tests - DeterminatIOn of cold crack temperature of surface coatings 皮革 物理和机械试验 表面涂层低温脆裂温度的测定 |
China National Standards IO |
English PDF |
| GB/T 22808-2021 |
Leather and fur-Chemical tests-DeterminatIOn of chlorinated phenols content 皮革和毛皮 化学试验 含氯苯酚的测定 |
China National Standards IO |
English PDF |
| GB/T 22576.7-2021 |
Medical laboratories—Requirements for quality and competence—Part 7：Requirements in the field of transfusIOn medicine 医学实验室 质量和能力的要求 第7部分：输血医学领域的要求 |
China National Standards IO |
English PDF |
| GB/T 22576.6-2021 |
Medical laboratories—Requirements for quality and competence—Part 6: Requirements in the field of clinical microbIOlogical examination 医学实验室 质量和能力的要求 第6部分：临床微生物学检验领域的要求 |
China National Standards IO |
English PDF |
| GB/T 22576.5-2021 |
Medical laboratories-Requirements for quality and competence- Part 5:Requirements in the field of clinical immunology examinatIOn 医学实验室 质量和能力的要求 第5部分：临床免疫学检验领域的要求 |
China National Standards IO |
English PDF |
| GB/T 22576.4-2021 |
Medical laboratories-Requirements for quality and competence- Part 4:Requirements in the field of clinical chemistry examinatIOn 医学实验室 质量和能力的要求 第4部分：临床化学检验领域的要求 |
China National Standards IO |
English PDF |
| GB/T 22576.3-2021 |
Medical laboratories-Requirements for quality and competence-Part 3:Requirements in the field of urine examinatIOn 医学实验室 质量和能力的要求 第3部分：尿液检验领域的要求 |
China National Standards IO |
English PDF |
| GB/T 22576.2-2021 |
Medical laboratories-Requirements for quality and competence- Part 2:Requirements in the field of clinical hematological examinatIOn 医学实验室 质量和能力的要求 第2部分：临床血液学检验领域的要求 |
China National Standards IO |
English PDF |
| GB/T 22459.8-2021 |
Refractory mortars-Part 8:DeterminatIOn of bleeding 耐火泥浆 第8部分：泌水性试验方法 |
China National Standards IO |
English PDF |
| GB/T 22394.2-2021 |
ConditIOn monitoring and diagnostics of machines - Data interpretation and diagnostics techniques - Part 2: Data-driven applications 机器状态监测与诊断 数据判读与诊断技术 第2部分：数据驱动的应用 |
China National Standards IO |
English PDF |
| GB/T 22148.3-2021 |
Test method on electromagnetic emissIOns—Part 3:Electronic control gear for LED modules 电磁发射的试验方法 第3部分：LED模块用电子控制装置 |
China National Standards IO |
English PDF |
| GB/T 21017-2021 |
Technical specificatIOns for maize drying 玉米干燥技术规范 |
China National Standards IO |
English PDF |
| GB/T 20720.4-2021 |
Enterprise-control system integratIOn—Part 4:Object model attributes for manufacturing operations management integration 企业控制系统集成 第4部分：制造运行管理集成的对象模型属性 |
China National Standards IO |
English PDF |
| GB/T 20373-2021 |
DeterminatIOn of acetyl content in modified starch—Titrimetric method 变性淀粉中乙酰基含量的测定 滴定法 |
China National Standards IO |
English PDF |
| GB/T 20091-2021 |
ClassificatIOn for organizations 组织机构类型 |
China National Standards IO |
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 IO |
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 IO |
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 IO |
English PDF |
| GB/T 18916.1-2021 |
Norm of water intake—Part 1：Thermal power productIOn 取水定额 第1部分：火力发电 |
China National Standards IO |
English PDF |
| GB/T 18341-2021 |
SpecificatIOns of survey for geological and mineral resources exploration 地质矿产勘查测量规范 |
China National Standards IO |
English PDF |
| GB/T 18216.5-2021 |
Electrical safety in low voltage distributIOn systems up to 1 000 V a.c, and 1500 V d.c.-Equipment for testing，measuring or monitoring of protective measures-Part 5:Resistance to earth 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第5部分：对地电阻 |
China National Standards IO |
English PDF |
| GB/T 18216.4-2021 |
Electrical safety in low voltage distributIOn systems up to 1 000 V a. c and 1 500 V d. c - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第4部分：接地电阻和等电位接地电阻 |
China National Standards IO |
English PDF |
| GB/T 18216.3-2021 |
Electrical safety in low voltage distributIOn systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 3: Loop impedance 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第3部分：环路阻抗 |
China National Standards IO |
English PDF |
| GB/T 18216.2-2021 |
Electrical safety in low voltage distributIOn systems up to 1 000 V a. c. and 1 500 V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第2部分：绝缘电阻 |
China National Standards IO |
English PDF |
| GB/T 18216.1-2021 |
Electrical safety in low voltage distributIOn systems up to 1 000 V a.c. and 1 500 V d.c.—Equipment for testing,measuring or monitoring of protective measures—Part 1:General requirements 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第1部分：通用要求 |
China National Standards IO |
English PDF |
| GB/T 17934.8-2021 |
Graphic technology—Process control for the productIOn of half-tone colour separations, proof and production prints—Part 8:Validation print processes working directly from digital data 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第8部分：直接使用数字数据的验证印刷品制作过程 |
China National Standards IO |
English PDF |
| GB/T 17934.7-2021 |
Graphic technology—Process control for the productIOn of half-tone colour separations,proof and production prints—Part 7:Proofing processes working directly from digital data 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第7部分：直接使用数字数据的打样过程 |
China National Standards IO |
English PDF |
| GB/T 17934.2-2021 |
Graphic technology—Process control for the productIOn of half-tone colour separations,proof and production prints—Part 2:Offset lithographic processes 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第2部分：平版胶印 |
China National Standards IO |
English PDF |
| GB/T 17934.1-2021 |
Graphic technology-Process control for the productIOn of half-tone colour separations，proof and production prints-Part 1:Parameters and measurement methods 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第1部分：参数与测量方法 |
China National Standards IO |
English PDF |
| GB/T 17751-2021 |
Survey-evaluatIOn method of energy utilization for transport ships 运输船舶能源利用监测评价方法 |
China National Standards IO |
English PDF |
| GB/T 17204-2021 |
Terminology and classificatIOn of alcoholic beverages 饮料酒术语和分类 |
China National Standards IO |
English PDF |
| GB/T 16828-2021 |
Bar code for commodity—Global locatIOn numbering and bar code marking 商品条码 参与方位置编码与条码表示 |
China National Standards IO |
English PDF |
| GB/T 16754-2021 |
Safety of machinery—Emergency stop functIOn—Principles for design 机械安全 急停功能 设计原则 |
China National Standards IO |
English PDF |
| GB/T 16137-2021 |
Methods for estimatIOn of examinee’s organ doses in X-ray diagnosis X射线诊断中受检者器官剂量的估算方法 |
China National Standards IO |
English PDF |
| GB/T 15972.47-2021 |
SpecificatIOns for optical fibre test method - Part 47: Measurement methods and test procedures for transmission characteristics - Macrobending loss 光纤试验方法规范 第47部分：传输特性的测量方法和试验程序 宏弯损耗 |
China National Standards IO |
English PDF |
| GB/T 15765-2021 |
Hermetic motor-compressors for room air conditIOners 房间空气调节器用全封闭型电动机-压缩机 |
China National Standards IO |
English PDF |
| GB/T 15242.4-2021 |
DimensIOns series of rod and piston dynamic seals for hydraulic cylinders-Part 4:Dimensions and tolerances of bearing rings groove 液压缸活塞和活塞杆动密封装置尺寸系列 第4部分：支承环安装沟槽尺寸系列和公差 |
China National Standards IO |
English PDF |
| GB/T 15242.3-2021 |
DimensIOns series of rod and piston dynamic seals for hydraulic cylinders-Part 3:Dimensions and tolerances of groove for co-axial seals 液压缸活塞和活塞杆动密封装置尺寸系列 第3部分：同轴密封件沟槽尺寸系列和公差 |
China National Standards IO |
English PDF |
| GB/T 14949.5-2021 |
Manganese ores一DeterminatIOn of titanium content一Diantipyrylmethane spectrophotometric method 锰矿石 钛含量的测定 二安替吡啉甲烷分光光度法 |
China National Standards IO |
English PDF |
| GB/T 14949.12-2021 |
Manganese ores - DeterminatIOn of combined water content - Gravimetric method 锰矿石 化合水含量的测定 重量法 |
China National Standards IO |
English PDF |
| GB/T 14146-2021 |
Test method for carrier concentratIOn of silicon epitaxial layers - Capacitance-voltage method 硅外延层载流子浓度的测试 电容-电压法 |
China National Standards IO |
English PDF |
| GB/T 13469-2021 |
Economical operatIOn for centrifugal，mixed flow and axial flow pump systems 离心泵、混流泵与轴流泵系统经济运行 |
China National Standards IO |
English PDF |
| GB/T 13163.2-2021 |
RadiatIOn protection instrumentation—Radon and radon decay product measuring instruments—Part 2:Specific requirements for 222Rn and 220Rn measuring instruments 辐射防护仪器 氡及氡子体测量仪 第2部分：222Rn和220Rn测量仪的特殊要求 |
China National Standards IO |
English PDF |
| GB/T 12773-2021 |
Valve steel and superalloy bars for internal combustIOn engines 内燃机气阀用钢及合金棒材 |
China National Standards IO |
English PDF |
| GB/T 12719-2021 |
ExploratIOn specification of hydrogeology and engineering geology in mining areas 矿区水文地质工程地质勘查规范 |
China National Standards IO |
English PDF |
| GB/T 12703.2-2021 |
Textiles - Test methods for electrostatic propensity - Part 2: Test method using manual frictIOn 纺织品 静电性能试验方法 第2部分：手动摩擦法 |
China National Standards IO |
English PDF |
| GB/T 12363-2021 |
ClassificatIOn of forging functions 锻件功能分类 |
China National Standards IO |
English PDF |
| GB/T 11362-2021 |
Synchronous belt drives—CalculatIOn of power rating and drive center distance with belts pitch codes MXL,XXL,XL,L,H,XH and XXH 同步带传动 节距型号MXL，XXL，XL，L，H，XH和XXH梯形齿同步带额定功率和传动中心距计算 |
China National Standards IO |
English PDF |
| GB/T 10067.36-2021 |
Basic specificatIOn for electroheating and electromagnetic processing installations—Part 36:Induction through-heating installations 电热和电磁处理装置基本技术条件 第36部分：感应透热装置 |
China National Standards IO |
English PDF |
| GB/T 10066.32-2021 |
Test methods for electroheating and electromagnetic processing installatIOns-Part 32:Induction through-heating installations 电热和电磁处理装置的试验方法 第32部分：感应透热装置 |
China National Standards IO |
English PDF |
| GB/T 9966.9-2021 |
Test methods for natural stone—Part 9: DeterminatIOn of the dynamic modulus of elasticity by measuring the fundamental resonance frequency 天然石材试验方法 第9部分：通过测量共振基本频率测定动力弹性模数 |
China National Standards IO |
English PDF |
| GB/T 9966.13-2021 |
Test methods for natural stone—Part 13:DeterminatIOn of water absorption coefficient by capillarity 天然石材试验方法 第13部分：毛细吸水系数的测定 |
China National Standards IO |
English PDF |
| GB/T 9966.11-2021 |
Test methods for natural stone—Part 11: DeterminatIOn of resistance to ageing by cold and thermal shock 天然石材试验方法 第11部分：激冷激热加速老化强度测定 |
China National Standards IO |
English PDF |
| GB/T 8897.2-2021 |
Primary batteries—Part 2: Physical and electrical specificatIOns 原电池 第2部分：外形尺寸和电性能 |
China National Standards IO |
English PDF |
| GB/T 8243.12-2021 |
Methods of test for full-flow lubricating oil filters for internal combustIOn engines—Part 12: Filtration efficiency using particle counting and contaminant retention capacity 内燃机全流式机油滤清器试验方法 第12部分：颗粒计数法滤清效率和容灰量 |
China National Standards IO |
English PDF |
| GB/T 8152.15-2021 |
Methods for chemical analysis of lead concentrates—Part 15:DeterminatIOn of soluble lead content—Flame atomic absorption spectrometry 铅精矿化学分析方法 第15部分：可溶性铅含量的测定 火焰原子吸收光谱法 |
China National Standards IO |
English PDF |
| GB/T 7739.4-2021 |
Methods for chemical analysis of gold concentrates—Part 4:DeterminatIOn of copper content 金精矿化学分析方法 第4部分：铜量的测定 |
China National Standards IO |
English PDF |
| GB/T 6577-2021 |
Types,dimensIOns and tolerances of groove for seals with bearing rings for hydraulic cylinders piston 液压缸活塞用带支承环密封沟槽型式、尺寸和公差 |
China National Standards IO |
English PDF |
| GB/T 6546-2021 |
Corrugated fibreboard—DeterminatIOn of edgewise crush resistance 瓦楞纸板 边压强度的测定 |
China National Standards IO |
English PDF |
| GB/T 6113.103-2021 |
SpecificatIOn for radio disturbance and immunity measuring apparatus and methods—Part 1-3:Radio disturbance and immunity measuring apparatus—Ancillary equipment—Disturbances power 无线电骚扰和抗扰度测量设备和测量方法规范 第1-3部分：无线电骚扰和抗扰度测量设备 辅助设备 骚扰功率 |
China National Standards IO |
English PDF |
| GB/T 5900.1-2021 |
Machine tools—Connecting dimensIOns of spindle noses and work holding chucks—Part 1: Conical connection 机床 主轴端部与卡盘连接尺寸 第1部分：圆锥连接 |
China National Standards IO |
English PDF |
| GB/T 4930-2021 |
Microbeam analysis—Electron probe microanalysis—Guidelines for the specificatIOn of certified reference materials (CRMs) 微束分析 电子探针显微分析 标准样品技术条件导则 |
China National Standards IO |
English PDF |
| GB/T 4893.1-2021 |
Test of surface coatings of furniture—Part 1: DeterminatIOn of surface resistance to cold liquids 家具表面漆膜理化性能试验 第1部分：耐冷液测定法 |
China National Standards IO |
English PDF |
| GB/T 4798.2-2021 |
ClassificatIOn of environmental conditions—Classification of groups of environmental parameters and their severities—Part 2:Transportation and handling 环境条件分类 环境参数组分类及其严酷程度分级 第2部分：运输和装卸 |
China National Standards IO |
English PDF |
| GB/T 3480.5-2021 |
CalculatIOn of load capacity of spur and helical gears—Part 5:Strength and quality of materials 直齿轮和斜齿轮承载能力计算 第5部分：材料的强度和质量 |
China National Standards IO |
English PDF |
| GB/T 2424.6-2021 |
Environmental testing-Part 3:Supporting documentatIOn and guidance- Confirmation of the performance of temperature/humidity chambers 环境试验 第3部分：支持文件及导则 温度/湿度试验箱性能确认 |
China National Standards IO |
English PDF |
| GB/T 2424.5-2021 |
Environmental testing—Part 3:Supporting documentatIOn and guidance—Confirmation of the performance of temperature chambers 环境试验 第3部分：支持文件及导则 温度试验箱性能确认 |
China National Standards IO |
English PDF |
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