Home / Standards / GB/T 21837-2023 GB/T 21837-2023 Active 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 77.140.65 CCS H49 Status 现行 Issue Date 2023-11-27 Implementation 2024-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A