IEC-60401-1 Complete Document History
Terms and nomenclature for cores made of magnetically soft ferrites - Part 1: Terms used for physical irregularities and reference of dimensions

Complete Current Edition:
   EDITION 2.0 - Part 1: Terms used for physical irregularities and reference of dimensions - April 1, 2020

Obsolete Revision Information:
   1ST EDITION - Part 1: Terms used for physical irregularities - Dec. 1, 2002