DIN EN 60404-6 Berichtigung 1-2009 磁性材料.第6部分:使用环形样品的频率范围在20Hz~200kHz的磁性软金属和粉末材料的磁性能测量方法.技术勘误DIN EN 60404-6-2004
Magnetic materials - Part 6: Methods of measurement of the magnetic properties of magnetically soft metallic and powder materials at frequencies in the range of 20 Hz to 200 kHz by the use of ring specimens (IEC 60404-6:2003); German version EN 60404-6:20