Home / Standards / GB/T 6983-2022 GB/T 6983-2022 Active Magnetic iron 电磁纯铁 Standard Type GBT ICS 77.140.40 CCS H59 Status 现行 Issue Date 2022-10-14 Implementation 2023-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A