GB/T 40011-2021.Pilot safety valve for cryogenic fluid service. 1范围 GB/T 40011规定了低温先导式安全阀(以下简称安全阀)的术...
GB/T 3093-2021 柴油机用高压无缝钢管
GB/T 3093-2021.High-pressure seamless steel tubes for diesel engine. 1范围 GB/T 3093规定了柴油机用高压无缝钢管的分类与代...
GB/T 6232-2021 农林拖拉机和机械车轮在轮毂上安装尺寸
GB/T 6232-2021.Tractors and machinery for agriculture and forestry-Wheel-to-hub fixing dimensions. 1...
GB/T 19346.3-2021 非晶纳米晶合金测试方法第3部分:铁基非晶单片试样交流磁性能
GB/T 19346.3-2021.Methods of measurement of amorphous and nanocrystalline alloys-Part 3:AC magnetic ...
GB 24427-2021 锌负极原电池汞镉铅含量的限制要求
GB 24427-2021.Content limitation of mercury,cadmium and lead for zinc anode primary battery. 1范围 GB ...
GB/T 7739.4-2021 金精矿化学分析方法第4部分:铜量的测定
GB/T 7739.4-2021.Methods for chemical analysis of gold concentrates-Part 4: Determination of copper ...
GB/T 21017-2021 玉米干燥技术规范
GB/T 21017-2021.Technical specifications for maize drying. 1范围 GB/T 21017规定了玉米干燥术语和定义、基本要求、干燥技术要求、干燥...
GB/T 25195.4-2021 起重机 图形符号第4部分:臂架起重机
GB/T 25195.4-2021.Cranes- Graphical symbols-Part 4: Jib cranes. 1范围 GB/T 25195的本部分规定了臂架起重机操作控制装置和其他显...
GB/T 28897-2021 流体输送用钢塑复合管及管件
GB/T 28897-2021.Steel-plastic compound pipes and fittings for fluid service. 1范围 GB/T 28897规定了流体输送用钢...
GB/T 16458-2021 磨料磨具术语
GB/T 16458-2021.Terminology for abrasives and abrasive products. 1范围 GB/T 16458界定了磨料磨具领域的一般术语和各种磨料、磨...
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