Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 2: Lampholders - (IEC 34B/2068/CDV); German version EN 60061-2:1993/prA57:2020
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 2: Lampholders (IEC 60061-2:1969 + supplements A:1970 to S:1997 + A18:1998 to A57:2020, modified); German version EN 60061-2:1993 + A1:1995 to A7:1997 + A18:1998 to A57:2021— 459 стр.