IEC 63300:2023 EN-FR b9590c27
Test methods for electrical and magnetic properties of magnetic powder cores
现行
发布日期 :
2023-06-27
实施日期 :
IEC 60424-2:2015 EN-FR fe07c34a
Ferrite cores - Guidelines on the limits of surface irregularities - Part 2: RM-cores
被代替
发布日期 :
2015-12-04
实施日期 :