Home / Standards / GB/T 4676-2003 GB/T 4676-2003 Abolished Abrasive grains--Sampling and splitting 普通磨料 取样方法 Standard Type GBT ICS 25.100.70 CCS J43 Status 废止 Issue Date 2003-10-08 Implementation 2004-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会