GB/T 12243-2021.Spring loaded safety valves.1范围GB/T 12243规定了弹簧直接载荷式安全阀(以下简称安全阀)的设计.性能、试验和检验、外观、标志和铅封...
GB/T 40023-2021.Non-destructive testing instruments-Ultrasonic time-of-flight diffraction instrument-Technical requirements.1范围GB/T 40023规定了超声衍射声时检测仪的技...
GB/T 40022-2021.General requirements of internet of things based on public telecommunication network.1范围GB/T 40022提出了基于公众电信网的物联网总体架构,规定了公...
GB/T 40083-2021.Technical requirements for online monitoring of energy consumption of building materials industry.1范围GB/T 40083规定了建筑材料行业能耗在线监测的监测...
GB/T 25000.1-2021.Systems and software engineering-Systems and software quality requirements and evaluation (SQuaRE)-Part 1: Guide to SQuaRE.1范围GB/T 25000的本部分为GB/T 250...
GB/T 11066.11-2021.Methods for chemical analysis of gold-Part 11: Determination of magnesium, chromium, manganese, iron, nickel，copper，palladium, silver, tin, antimony，lead an...
GB/T 9966.10-2021.Test methods for natural stone-Part 10 : Determination of resistance to shaking for individual stone anchoragest.1范围GB/T 9966的本部分规定了石材单个挂...
GB/T 8151.24-2021.Methods for chemical analysis of zinc concentrates-Part 24 : Determination of soluble zinc content-Flame atomic absorption spectrometry.1范围GB/T 8151.24规定了锌...
GB/T 9966.12-2021.Test methods for natural stone-Part 12 : Determination of static elastic modulus.1范围GB/T 9966的本部分规定了天然石材在单轴压缩条件下静态弹性...
GB/T 40019-2021.General metadata for fundamental manufacturing process.1范围GB/T 40019规定了基础制造工艺通用元数据的属性、元数据模型.元数据描述以及元数...
