Home / Standards / GB/T 38947-2020 GB/T 38947-2020 Active Magnetic flux density test method for magnetic separators 磁选设备磁感应强度检测方法 Standard Type GBT ICS 17.220.20 CCS D96 Status 现行 Issue Date 2020-06-02 Implementation 2021-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A