Home / Standards / GB/T 3658-2008 GB/T 3658-2008 Abolished Methods of measurement of a.c. magnetic properties of magnetically soft materials 软磁材料交流磁性能环形试样的测量方法 Standard Type GBT ICS 77.040.99 CCS H21 Status 废止 Issue Date 2008-10-10 Implementation 2009-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A