Home / Standards / GB/T 14991-2016 GB/T 14991-2016 Active Deformable permanent-magnet steels 变形永磁钢 Standard Type GBT ICS 77.140.40 CCS H58 Status 现行 Issue Date 2016-02-24 Implementation 2016-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A