Home / Standards / GB/T 28290-2012 GB/T 28290-2012 Active Test method for surface chromium content of electroplated tinplate 电镀锡钢板表面铬量的试验方法 Standard Type GBT ICS 77.140.01 CCS H25 Status 现行 Issue Date 2022-12-28 Implementation 2013-02-01 Responsible Dept N/A Drafting Unit N/A