Home / Standards / GB/T 21837-2008 GB/T 21837-2008 Abolished Practice for electromagnetic examination of ferromagnetic steel wire rope 铁磁性钢丝绳电磁检测方法 Standard Type GBT ICS 77.040.20;77.140.65 CCS H26 Status 废止 Issue Date 2008-05-13 Implementation 2008-11-01 Responsible Dept 中国钢铁工业协会 Drafting Unit 中国钢铁工业协会