Revidert
IEC 60094-2:1975/COR1:1976
IEC 60094-2:1975/AMD2:1991 ED1
IEC 60094-2:1975 ED1
IEC 60094-2:1975/AMD1:1987 ED1
Publisert
IEC 60094-2:1994/COR1:1995