Home / Standards / GB/T 28908-2012 GB/T 28908-2012 Active High-purity chromium metal 高纯金属铬 Standard Type GBT ICS 77.100 CCS H42 Status 现行 Issue Date 2012-11-05 Implementation 2013-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A