Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges (IEC 34B/1929/CDV:2017); German version EN 60061-3:1993/prA55:2017
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 A55:2018, modified); German version EN 60061-3:1993 + A1:1995 to A7:1997 + A20:1998 to A55:2018— 1076 стр.
