Home / Standards / GB/T 2520-2008 GB/T 2520-2008 Abolished Cold-reduced electrolytic tinplate 冷轧电镀锡钢板及钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 废止 Issue Date 2008-09-11 Implementation 2009-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会