Supersedes IEC 50(901) (1973), 50(901A) (1975) and 50(901B) (1978). Gives terms and definitions in English, French and Russian as well as indexes in Dutch, English, French, German, Italian, Polish, Russian, Spanish, and Swedish.
IEC 60050-221:1990 history
2020IEC 60050-221:1990/AMD4:2020 Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 221: Magnetic materials and components
2007IEC 60050-221:1990/AMD3:2007 Amendment 3 - International Electrotechnical Vocabulary - Part 221: Magnetic materials and components
1999IEC 60050-221:1990/AMD2:1999 International Electrotechnical Vocabulary - Chapter 221: Magnetic materials and components; Amendment 2
1993IEC 60050-221:1990/AMD1:1993 International electrotechnical vocabulary; chapter 221: magnetic materials and components; amendment 1
1990IEC 60050-221:1990 International electrotechnical vocabulary; chapter 221: magnetic materials and components