Home / Standards / GB/T 21181-2017 GB/T 21181-2017 Abolished Secondarily lead and lead alloy ingots 再生铅及铅合金锭 Standard Type GBT ICS 77.150.60 CCS H69 Status 废止 Issue Date 2017-07-12 Implementation 2018-06-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A