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 60050-426:1990 history
2020IEC 60050-426:2020 International Electrotechnical Vocabulary (IEV) - Part 426: Explosive atmospheres
2015IEC 60050-426:2008/AMD1:2015 International Electrotechnical Vocabulary - Part 426: Equipment for explosive atmospheres
2008IEC 60050-426:2008 International Electrotechnical Vocabulary - Part 426: Equipment for explosive atmospheres
1990IEC 60050-426:1990 International electrotechnical vocabulary; chapter 426: electrical apparatus for explosive atmospheres