Home / Standards / GB/T 2520-2017 GB/T 2520-2017 Active Cold-reduced electrolytic tinplate 冷轧电镀锡钢板及钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2017-09-07 Implementation 2018-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A