Home / Standards / GB/T 2481.2-2020 GB/T 2481.2-2020 Active Bonded abrasives—Determination and designation of grain size distribution—Part 2:Microgrits 固结磨具用磨料 粒度组成的检测和标记 第2部分:微粉 Standard Type GBT ICS 25.100.70 CCS J43 Status 现行 Issue Date 2020-04-28 Implementation 2020-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A