GB/T 18916.56-2021.Norm of water intake- Part 56: Fur. 1范围 GB/T 18916.56规定了毛皮取水定额的计算方法、取水定额以及定额管理要求。 GB/T 18916.56适用于现有、新建和改扩建的毛皮加工企业取水量的管理。 2规范性引用文件

GB/T 22576.3-2021.Medical laboratories- Requirements for quality and competence-Part 3 :Requirements in the field of urine examination. 1范围 GB/T 22576

GB/T 39974-2021.Magnesium partially stabilized zirconia ceramic element for oxygen measurement in molten steel. 1范围 GB/T 39974规定了钢水测氧用镁稳定氧化锆陶瓷元件(简称"元件

GB/T 38047.2-2021.Evaluation methods for reliability on smart household appliances-Part 2 : Special requirements for room air conditioners. 1范围 GB/T 3

GB/T 39975-2021.Aluminum nitride ceramic dissipate heat substrates. 1范围 GB/T 39975规定了氮化铝陶瓷散热基片的分类与标记.技术要求、试验方法、检验规则.标志、包装和贮存。 GB/T 39975适用于LED、电子封装等领域

GB/T 9481-2021.Axial-flow pump of medium-small size. 1范围 GB/T 9481规定了中小型轴流泵的型式、型号和基本参数、技术要求试验方法、检验规则、标志、包装、运输和贮存。 GB/T 9481适用于输送清水或物理及化学性质类似于水的其他液体或含有

GB/T 40231-2021.Restricted substance in electrical and electronic products-Determination of hexavalent chromium- Ion chromatography method. 1范围 GB/T 4

GB/T 40096.4-2021.Technical specification for on-site protection equipment-Part 4: Smart management unit. 1范围 GB/T 40096的本部分规定了110kV及以下电压等级就地化继电保护智能管理

GB/T 40096.3-2021.Technical specification for on-site protection equipment-Part 3: Operation module. 1范围 GB/T 40096的本部分规定了就地操作箱的基本技术要求.试验方法、检验规则及对标志,包

GB/T 40169-2021.Compression-moulded plates of ultra-high-molecular- weight polyethylene( PE-UHMW ) and high density polyethylene ( PE-HD). 1范围 GB/T 40