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

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方(以下简称

GB/T 39963-2021.Technical specification on C80~ C100 concrete shaft lining applied in vertical freezing shaft. 1范围 GB/T 39963规定了立井冻结法凿井井壁应用C80~C100混凝土

GB/T 39864-2021.Electrochemical performance test of lithium manganese oxide-Test method for the initial specific discharge capacity and the initial ef

GB/T 39861-2021.Electrochemical performance test of lithium manganese oxide-Test method for discharge plateau capacity ratio and cycle life. 1范围 GB/T

GB/T 39859-2021.Gallium-based liquid metal. 1范围 GB/T 39859规定了镓基液态金属的技术要求、试验方法、检验规则、标志、包装、运输、贮存,以及随行文件与订货单内容。 GB/T 39859适用于散热流体工质、导电流体工质、热界面材料、电子浆料、磁流体

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、检测及计算方法、检测报告等内容。 GB/T 397

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 2817

GB/T 18802.31-2021.Low-voltage surge protective devices-Part 31: Surge protective devices connected to photovoltaic installations- Requirements and te

GB/T 39780-2021.Specifications for evaluating enterprises in waste resource comprehensive utilization. 1范围 GB/T 39780规定了资源综合利用企业的基本要求,生产规模和能力、工艺与设备要求,