Home / Standards / GB/T 28293-2012 GB/T 28293-2012 Active Ground iron and steel slag 钢铁渣粉 Standard Type GBT ICS 77.140.99 CCS H54 Status 现行 Issue Date 2012-05-11 Implementation 2013-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A