GB/T 39419-2020.Grades of tsunami.1范围GB/T 39419规定了海啸强度等级和地震海啸能级的确定和划分方法。GB/T 39419适用于海啸灾害的监测评估、科学研...
GB/T 20975.33-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 33: Determination of potassium content-Flame atomic absorption spectrometric method.1范围GB...
GB/T 39554.2-2020.National integrated government service platform-Basic category and implementation list of government service items-Part 2: Element requirements.1范围GB/T 39554.2规...
GB/T 20975.13-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 13 : Determination of vanadium content.1范围GB/T 20975的本部分规定了苯甲酰苯胲分...
GB/T 20975.8-2020.Methods for chemical analysis of aluminium and aluminium alloys-Part 8 : Determination of zinc content.1范围GB/T 20975的本部分规定了Na2EDTA 滴定法和火焰...
GB/T 19066.2-2020.Composite wave-serrated metal gaskets for pipe flanges-Part 2: Class designated.1范围GB/T 19066的本部分规定了Class 标识的管法兰用金属波齿复合垫...
GB/T 39409-2020.BeiDou grid location code.1范围GB/T 39409规定了北斗网格位置码的网格选择和编码规则。GB/T 39409适用于北斗卫星导航系统终端位置输出...
GB/T 39315.5-2020.General resource of military and civilian-Data model-Part 5: Person.1范围GB/T 39315的本部分规定了军民通用资源中人员类数据模型的一般要求、...
GB/T 39316.1-2020.General resource of military and civilian-Meta data-Part 1 : Supplies-Petroleum products.1范围GB/T 39316的本部分规定了军民通用资源物资类中油品的...
GB/T 39253-2020.Additive manufacturing-Specification for directed energy deposition of metal materials.1范围GB/T 39253规定了金属材料定向能量沉积工艺的类别、一般...
