Home / Standards / GB/T 1996-2003 GB/T 1996-2003 Abolished Coke for metallurgy 冶金焦炭 Standard Type GBT ICS 75.160.10 CCS H32 Status 废止 Issue Date 2003-09-12 Implementation 2004-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会