Home / Standards / GB/T 9258.2-2008 GB/T 9258.2-2008 Abolished Coated abrasives - Grain size analysis - Part 2: Determination of grain size distribution of macrogrits P12 to P220 涂附磨具用磨料 粒度分析 第2部分：粗磨粒P12～P220粒度组成的测定 Standard Type GBT ICS 25.100.70 CCS J43 Status 废止 Issue Date 2008-06-03 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A