Home / Standards / GB/T 3078-2008 GB/T 3078-2008 Abolished Quality structural steel cold drawn bars 优质结构钢冷拉钢材 Standard Type GBT ICS 77.140.20 CCS H40 Status 废止 Issue Date 2008-05-13 Implementation 2008-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A