GB/T 39631-2020.General specification for servo motor system in air conditioning compressor of new e...
GB/T 39635-2020 金属材料 仪器化压入法测定压痕拉伸性能和残余应力
GB/T 39635-2020.Metallic materials-Measurement of indentation tensile properties and residual stress...
GB/T 39620-2020 沿海船舶自动识别系统(AIS)基站技术要求
GB/T 39620-2020.Technical requirements for coastal automatic identification system( AIS) base statio...
GB/T 11577-2020 船用集装箱紧固件
GB/T 11577-2020.Container securing fitting for ships. 1范围 GB/T 11577规定了船用集装箱紧固件(以下简称紧固件)的分类和标记、要求、试验...
GB/T 39645-2020 技术制图 几何公差符号的比例和尺寸
GB/T 39645-2020.Technical drawings-Symbols for geometrical tolerancing proportions and dimensions. 1...
GB/T 11060.8-2020 天然气 含硫化合物的测定第8部分:用紫外荧光光度法测定总硫含量
GB/T 11060.8-2020.Natural gas-Determination of sulfur compounds- Part 8 : Determination of total sul...
GB/T 39638-2020 铸件X射线数字成像检测
GB/T 39638-2020.X-ray digital radiographic testing for casting. 1范围 GB/T 39638规定了铸件采用数字探测器阵列(DDA)的X射...
GB/T 39245.2-2020 管法兰用金属齿形组合垫片第2部分:Class系列
GB/T 39245.2-2020.Grooved metal gaskets with covering layers for pipe flanges-Part 2 :Class designat...
GB/T 17934.6-2014 印刷技术 网目调分色片、样张和印刷成品的加工过程控制第6部分:柔性版印刷
GB/T 17934.6-2014.Graphic technology- Process control for the production of half-tone colour separat...
GB/T 39733-2020 再生钢铁原料
GB/T 39733-2020.Recycling iron-steel materials. 1范围 GB/T 39733规定了再生钢铁原料的分类、技术要求、检验方法、验收规则、运输和质量证明书。 ...
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