IEC 60051-8:2017 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 8: Special requirements for accessories
2017IEC 60051-8:2017 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 8: Special requirements for accessories
1984IEC 60051-8:1984 Appareils mesureurs electriques indicateurs analogiques a action directe et leurs accessoires Huiteme partie: Precriptions particulieres pour les accessoires (Edition 4.0)