Ferrite cores - Dimensions - Part 4: RM-cores and associated parts (IEC 62317-4:2005); German version EN 62317-4:2005, Corrigendum to DIN EN 62317-4:2006-07; (IEC-Cor.:2016 zu IEC 62317-4:2005)— 2 стр.
Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 9: Planar cores (IEC 63093-9:2020); German version EN IEC 63093-9:2020— 33 стр.
Ferrite cores - Guidelines on dimensions and the limits of surface irregularities - Part 9: Planar cores (IEC 63093-9:2020); German version EN IEC 63093-9:2020— 33 стр.