Revidert
IEC 60721-3-3:1987/COR1:1988
IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV
IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV/COR1:2008
IEC 60721-3-3:1994 ED2