2009IEC 60626-1:2009 Combined flexible materials for electrical insulation - Part 1: Definitions and general requirements
1970IEC 60626-1:1995/AMD1:1996 Amendment 1 - Combined flexible materials for electrical insulation - Part 1: Definitions and general requirements
1995IEC 60626-1:1995 Combined flexible materials for electrical insulation - Part 1: Definitions and general requirements
1979IEC 60626-1:1979 Specification for combined flexible materials for electrical insulation. Part 1 : Definitions and general requirements
IEC 60626-1/AMD1:1996 Combined flexible materials for electrical insulation - Part 1: Definitions and general requirements; Amendment 1 was changed to IEC 60626-1:2009 Combined flexible materials for electrical insulation - Part 1: Definitions and general requirements.