Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges (IEC 34B/2048/CDV:2019); German version EN 60061-3:1993/prA58:2019
Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges (IEC 60061-3:1969 + supplements A:1970 to U:1997 + A20:1998 to A57:2020 + A58:2020, modified); German version EN 60061-3:1993 + A1:1995 to A7:1997 + A20:1998 to A57:2020 + A58:2020— 1087 стр.
