Home / Standards / GB/T 4127.7-2008 GB/T 4127.7-2008 Active Bonded abrasive products - Dimensions - Part 7: Grinding wheels for manually guided grinding 固结磨具 尺寸 第7部分：人工操纵磨削砂轮 Standard Type GBT ICS 25.100.70 CCS J43 Status 现行 Issue Date 2008-06-03 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会