Lamp caps and holders together with gauges for the control of interchangeability and safety - Part 3: Gauges (IEC 60061-3:1969/A52:2016); German version EN 60061-3:1993/A52:2016
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 A51:2015 + A52:2016, modified); German version EN 60061-3:1993 + A1:1995 to A7:1997 + A20:1998 to A51:2015 + A52:2016— 1020 стр.