GB/T 39825-2021.Light conveyor belts-Principal characteristics and applications.1范围GB/T 39825规定了轻型输送带的基本结构、性能及应用。GB/T 39825适用于轻型输...
GB/T 21838.4-2020.Metallic materials-Instrumented indentation test for hardness and materials parameters-Part 4: Test method for metallic and non-metallic coatings.1范围GB/T 21838...
GB/T 2976-2020.Metallic materials-Wire-Wrapping test.1范围GB/T 2976规定了金属材料线材缠绕试验方法的原理、试验设备、试样、试验程序、试验结果和试...
GB/T 30024-2020.Cranes-Proof of competence of steel structures.1范围GB/T 30024基于极限状态法规定了对起重机金属结构进行能力验证所确定的一般条件、要求...
GB/T 20990.1-2020.Thyristor valves for high voltage direct current ( HVDC) power transmission-Part 1: Electrical testing.1范围GB/T 20990的本部分规定了阀的型式试验和产...
GB/T 33770.6-2021.Information technology service-Outsourcing-Part 6:General requirements for service acquirer.1范围GB/T 33770的本部分提出了信息技术服务外包服务需求...
GB/T 20996.1-2020.Performance of high-voltage direct current (HVDC) systems with line-commutated converters-Part 1 : Steady-state conditions.1范围GB/T 20996.1给出了高压直流系...
GB/T 39761.1-2021.Green product assessment-Household electric appliances-Part 1: Refrigerators , air-conditioners and washing machines.1范围GB/T 39761.1规定了绿色家用电器产...
GB/T 28170.2-2021.Information technology-Computer graphics and image processing-Extensible 3D (X3D)-Part 2: Scene access interface(SAI).1范围GB/T 28170.2规定了可通过浏览器获...
GB/T 39751-2021.Energy detection method for equipment manufacturing system-Guideline.1范围GB/T 39751规定了装备制造系统能耗检测的范围和种类、总体要求、检测...
