Home / Standards / GB/T 13888-2009 GB/T 13888-2009 Abolished Method of measurement of the coercivity of magnetic materials in an open magnetic circuit 在开磁路中测量磁性材料矫顽力的方法 Standard Type GBT ICS 29.030 CCS K14 Status 废止 Issue Date 2009-09-30 Implementation 2010-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A