DIN EN 61811-52:2002-11
Отменен
Electromechanical all-or-nothing relays - Part 52: Blank detail specification; Electromechanical all-or-nothing telecom relays of assessed quality; Two change-over contacts, 20 mm x 10 mm base (IEC 61811-52:2002); German version EN 61811-52:2002
— 27 стр.
