Home / Standards / GB/T 3279-2009 GB/T 3279-2009 Abolished Hot-rolled spring steel sheets and plates 弹簧钢热轧钢板 Standard Type GBT ICS 77.140.50 CCS H46 Status 废止 Issue Date 2009-10-30 Implementation 2010-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A