Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (IEC 60061-1:1969/A54:2016); German version EN 60061-1:1993/A54:2016
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 A54:2016 + A55:2016, modified); German version EN 60061-1:1993 + A1:1995 to A7:1997 + A21:1998 to A54:2016 + A55:2017— 471 стр.
