Home / Standards / GB/T 3211-2008 GB/T 3211-2008 Abolished Metal Chrome 金属铬 Standard Type GBT ICS 77.100 CCS H42 Status 废止 Issue Date 2008-05-13 Implementation 2008-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会