GB/T 41403-2022超硬磨料制品金刚石或立方氮化硼磨具形状和尺寸标准
英文:Superabrasive products—Grinding tools with diamond or cubic boron nitride—Shapes and dimensions GB/T 41403-2022介绍: 国家...
英文:Superabrasive products—Grinding tools with diamond or cubic boron nitride—Shapes and dimensions GB/T 41403-2022介绍: 国家...