Revised
IEC 60721-3-2:1985/AMD2:1993 ED1
IEC 60721-3-2:1985/AMD1:1991 ED1
IEC 60721-3-2:1985 ED1
IEC 60721-3-2:1985/AMD2:1993/COR1:1993
IEC 60721-3-2:1997 ED2
Current
IEC 60721-3-2:2018 ED3
IEC 60721-3-2:2018 RLV