Dimensions of square cores (RM-cores) made of magnetic oxides and associated parts; Amendment A2; (IEC 60431:1983/A2:1996); German version EN 60431:1997/A2:1998— 7 стр.
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.
Dimensions of square cores (RM-cores) made of magnetic oxides and associated parts; Amendment A2; (IEC 60431:1983/A2:1996); German version EN 60431:1997/A2:1998— 7 стр.
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.