Home / Standards / GB/T 3207-2008 GB/T 3207-2008 Abolished Bright steel 银亮钢 Standard Type GBT ICS 77.140.60 CCS H44 Status 废止 Issue Date 2008-08-05 Implementation 2009-04-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A