Home / Standards / GB/T 1220-2007 GB/T 1220-2007 Active Stainless steel bars 不锈钢棒 Standard Type GBT ICS 77.140.20 CCS H40 Status 现行 Issue Date 2007-05-14 Implementation 2007-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会