Home / Standards / GB/T 728-2010 GB/T 728-2010 Abolished Ingot tin 锡锭 Standard Type GBT ICS 77.120.60 CCS H62 Status 废止 Issue Date 2011-01-10 Implementation 2011-10-01 Responsible Dept 中国有色金属工业协会 Drafting Unit 中国有色金属工业协会