Home / Standards / GB/T 4127.9-2007 GB/T 4127.9-2007 Active Bonded abrasive products - Dimensions - Part 9: Grinding wheels for high-pressure grinding 固结磨具 尺寸 第9部分:重负荷磨削砂轮 Standard Type GBT ICS 25.100.70 CCS J43 Status 现行 Issue Date 2007-06-25 Implementation 2007-11-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A