GB/T 40031-2021.Determination of polychlorinated naphthalenes in electrical and electronic products-Gas chromatorgaphy-mass spectrometry method.1范围GB/T 40031规定了电子电气产...
GB/T 40072-2021.Strength test method for submersible metallic framework.1范围GB/T 40072规定了潜水器金属框架在完成建造后,进行整体金属框架强度试验的方法...
GB/T 40073-2021.External pressure strength test procedure for metal pressure hull of submersibles.1范围GB/T 40073规定了潜水器金属耐压壳(含耐压壳附件)进行外压强...
GB/T 40074-2021.General requirements for saturation diving system.1范围GB/T 40074规定了饱和潜水系统的分类和组成、技术要求、检验规则及标志、包装、运输...
GB/T 40051-2021.Code of recycle and utilization for discarded wood-based panels.1范围GB/T 40051规定了废旧人造板回收利用的术语和定义、基本原则、分类、回收...
GB/T 40052-2021.Preservative-treated plywood.1范围GB/T 40052规定了防腐胶合板的术语和定义、要求、试件取样及尺寸规定、试验方法、检验规则、标识、...
GB/T 40048-2021.Test methods for bolted connections in structural wood and wood-based materials.1范围GB/T 40048规定了木质结构材螺栓连接力学性能以及螺栓孔销槽承...
GB/T 40061-2021.Technical specification for liquid hydrogen production system.1范围GB/T 40061规定了液氢生产系统的基本技术要求、氢液化装置、液氢贮存、氢气...
GB/T 40021-2021.Cyber-physical systems-Terminology.1范围GB/T 40021界定了信息物理系统中共性的、基础性的术语和定义。GB/T 40021适用于制造业领域信息物...
GB/T 39876-2021.Examination methods for cocaine in suspected drugs-Gas chromatography and gas chromatography-mass spectrometry.1范围GB/T 39876规定了可卡因的气相色谱-质谱...
