GB/T 38933-2020.Cold rolled steel sheet for automobile-Test method of phosphate conversion coatings.1范围GB/T 38933规定了汽车用冷轧钢板磷酸盐转化膜(以下简称“磷...
GB/T 51405-2019.Standard for overall design of shipyard.1总则1.0.1 为落实 国家技术经济政策,规范船厂总体设计,做到技术先进、经济合理、节能环保,提高...
GB/T 38894-2020.Non-destructive testing-Electrochemical testing-General principles.1范围GB/T 38894规定了对金属材料及制品、基础设施中的钢铁等采用选择性电极...
GB/T 21715.6-2020.Health informatics-Patient healthcard data-Part 6: Administrative data.1范围GB/T 21715的本部分规定了数据对象“管理数据”所包含数据的基本结...
GB/T 25085.3-2020.Road vehicles-Automotive cables-Part 3: Dimensions and requirements for 30 V a.c. or 60 V d.c. single-core copper conductor cables.1范围GB/T 25085的本部分规定...
GB/T 21715.8-2020.Health informatics-Patient healthcard data- Part 8: Links.1范围GB/T 21715的本部分规定了使用健康卡访问分布式患者记录和/或管理信息的方法...
GB/T 223.37-2020.Iron , steel and alloy一 Determination of nitrogen content-Indophenol blue spectrophotometric method after distillation separation.1范围GB/T 223的本部分规定了...
GB/T 2889.6-2020.Plain bearings-Terms , definitions , classification and symbols-Part 6: Abbreviated terms.1范围GB/T 2889.6给出了与滑动轴承相关的常用缩略语及其原始...
GB/T 9065.6-2020.Connections for hydraulic fluid power-Hose fittings-Part 6:60° cone ends.1范围GB/T 9065的本部分规定了材质为碳钢的60°锥形的软管接头(典型示例...
GB 50646-2020.Technical standard for specialty gas system engineering.1总则1.0.1 为了在电子工业工厂特种气体系统及配套装置的工程设计、施工及验收中贯彻...
