Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (IEC 60061-1:1969 + Supplements A:1970 to N:1994, modified); German version EN 60061-1:1993— 202 стр.
Tungsten filament lamps for domestic and similar general lighting purposes; performance requirements (IEC 60064:1987, 5th edition and amendment No 1:1988); german version EN 60064:1989— 15 стр.
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (IEC 60061-1:1969 + Supplements A:1970 to N:1994, modified); German version EN 60061-1:1993— 202 стр.
