DIN EN 60401-2 E:2009 Draft Document - Terms and nomenclature for cores made of magnetically soft ferrite - Part 2: Reference of dimensions (IEC 51/943A/CDV:2008); German version FprEN 60401-2:2008
2011DIN EN 60401-2:2011 Terms and nomenclature for cores made of magnetically soft ferrites - Part 2: Reference of dimensions (IEC 60401-2:2009); German version EN 60401-2:2010
2009DIN EN 60401-2 E:2009 Draft Document - Terms and nomenclature for cores made of magnetically soft ferrite - Part 2: Reference of dimensions (IEC 51/943A/CDV:2008); German version FprEN 60401-2:2008