GB/T 9258.3-2017涂附磨具用磨料粒度分析第3部分:微粉P240~P2500粒度组成的测定国家标准
英文:Coated abrasives—Grain size analysis—Part 3: Determination of grain size distribution of microgrits P240 to P2500 GB/...
英文:Coated abrasives—Grain size analysis—Part 3: Determination of grain size distribution of microgrits P240 to P2500 GB/...