Home / Standards / GB/T 24270-2009 GB/T 24270-2009 Active Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials 永磁材料磁性能温度系数测量方法 Standard Type GBT ICS 29.030 CCS K14 Status 现行 Issue Date 2009-06-19 Implementation 2010-02-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A