Home / Standards / GB/T 5246-2007 GB/T 5246-2007 Abolished Electrolytic copper powder 电解铜粉 Standard Type GBT ICS 77.150.30 CCS H62 Status 废止 Issue Date 2007-04-30 Implementation 2007-11-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A