GB/T 38971-2020.Spherical Co-Cr alloy powder for additive manufacturing.1范围GB/T 38971规定了钴铬合金粉的技术要求、试验方法、检验规则及标志、包装、运输...
GB 39177-2020.Minimum allowable values of energy efficiency and energy efficiency grades for electric pressure cookers.1范围GB 39177规定了电压力锅的能效等级、能效限定...
GB/T 39070-2020.Brand valuation-Daily chemical articles industry.1范围GB/T 39070规定了日用化学品业品牌价值评价的评价方法、品牌强度系数指标体系、品牌...
GB 15892-2020.Polyaluminium chloride for treatment of drinking water.1范围GB 15892规定了生活饮用水用聚氯化铝的要求、试验方法、检验规则、标志、包装、...
GB 39176-2020.Rare earth products packing,marking, transport and storage.1范围GB 39176规定了稀土矿产品、钕铁硼废料、单一稀土化合物、混合稀土化合物、...
GB 24850-2020.Minimum allowable values of energy efficiency and energy efficiency grades for flat panel televisions and set-top boxes.1范围GB 24850规定了平板电视和普通用途...
GB/T 38983.1-2020.Virtual synchronous machine-Part 1 : General.1范围GB/T 38983的本部分规定了虚拟同步机的基本规定、功能要求和性能要求。GB/T 38983.1适用于...
GB/T 38934-2020.Public telecommunication network enhancement-Technical requirements in support of intelligent environmental warning application.1范围GB/T 38934规定了基于公众服...
GB/T 38977-2020.Nanometer grain cemented carbide rod.1范围GB/T 38977规定了纳米晶硬质合金棒材的分类、技术要求、试验方法、检验规则、标志、包装、运...
GB/T 39027-2020.High strength and modulus polyimide filament yarns.1 范围GB/T 39027规定了高强高模聚酰亚胺长丝的术语和定义、分类和标识、技术要求、试验...