Blank detail specification - Electromechanical all-or-nothing TELECOM relays of assessed quality, dual-in-line, with 20 Ч 10 mm base; German version EN 116502:1992— 23 стр.
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.
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.