Home / Standards / GB/T 9258.3-2017 GB/T 9258.3-2017 Abolished Coated abrasives—Grain size analysis—Part 3: Determination of grain size distribution of microgrits P240 to P2500 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 Standard Type GBT ICS 25.100.70 CCS J43 Status 废止 Issue Date 2017-12-29 Implementation 2018-07-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A