Home / Standards / GB/T 13012-2008 GB/T 13012-2008 Active Methods of measurement of d.c. magnetic properties of magnetically soft materials 软磁材料直流磁性能的测量方法 Standard Type GBT ICS 77.040.99 CCS H21 Status 现行 Issue Date 2008-10-10 Implementation 2009-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A