Home / Standards / GB 12768-1991 GB 12768-1991 Abolished Electrical aluminium ingots for remelting 重熔用电工铝锭 Standard Type GB ICS 77.120.10 CCS H61 Status 废止 Issue Date 1991-03-27 Implementation 1991-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A