Home / Standards / GB/T 14989-2015 GB/T 14989-2015 Active Iron-cobalt-vanadium permanent-magnet alloys 铁钴钒永磁合金 Standard Type GBT ICS 77.140.99 CCS H58 Status 现行 Issue Date 2015-12-10 Implementation 2016-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A