Home / Standards / GB/T 8740-2013 GB/T 8740-2013 Active Casting bearing alloy ingots 铸造轴承合金锭 Standard Type GBT ICS 77.150.60 CCS H62 Status 现行 Issue Date 2013-09-27 Implementation 2014-08-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A