Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 1: Lamp caps (IEC 34B/1885/CDV:2016); German version EN 60061-1:1993/prA57:2016
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 A56:2017 + A56:2017/COR1:2017 + A57:2017, modified); German version EN 60061-1:1993 + A1:1995 to A7:1997 + A21:1998 to A56:2017 + A56:2017/AC:2017-11 + A57:2018— 479 стр.