Home / Standards / GB/T 2476-1994 GB/T 2476-1994 Abolished Symbols of abrasive materials 普通磨料 代号 Standard Type GBT ICS 25.100.70 CCS J43 Status 废止 Issue Date 1994-12-20 Implementation 1995-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A