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 R:1995, modified); German version EN 60061-1:1993 + A1:1995 + A2:1995 + A3:1995— 229 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 V:1997 + A21:1998 to A46:2011, modified) (english version)