Home / Standards / GB/T 39042-2020 GB/T 39042-2020 Active Measurement of the magnetic properties of electrical steels by means of a single sheet tester—H-coil method 电工钢单片磁性能测试 H线圈法 Standard Type GBT ICS 77.040.99 CCS H21 Status 现行 Issue Date 2020-07-21 Implementation 2021-02-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A