IEC 60404-3:1992/AMD2:2009/COR1:2009
勘誤表 1 修正案 2 磁性材料 第3部分:用單片測試儀測量電工鋼帶和鋼片磁性能的方法
Corrigendum 1 - Amendment 2 - Magnetic materials - Part 3: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of a single sheet tester