Home / Standards / GB/T 28296-2012 GB/T 28296-2012 Active Pig iron containing nickel 含镍生铁 Standard Type GBT ICS 77.100 CCS H42 Status 现行 Issue Date 2012-05-11 Implementation 2013-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会