DK63889C
(en )
1945-09-03
Relay controlled Selector for electrical connection systems, especially automatic telephone systems.
FR881537A
(en )
1943-04-28
Automatic, semi-automatic or similar telephone systems
DK58089C
(en )
1940-10-21
Cordless Switchboard for manually operated Telephone systems.
DK54764C
(en )
1938-05-23
Selector, especially for automatic telephone systems.
DK71857C
(en )
1950-12-18
Switching systems, eg for automatic telephone exchange systems.
CH237135A
(en )
1945-03-31
Mass-locked automatic firearm.
NL73158C
(en )
1953-09-15
Circuit for a signaling system, in particular automatic telephone system.
DK51173C
(en )
1936-01-20
Control systems for electrical Group installations.
DK50345C
(en )
1935-06-17
Coupling device for automatic Telephone systems.
DK59299C
(en )
1941-12-15
Selector for electrical connection systems.
DK55113C
(en )
1938-08-22
Selector for automatic Telephone systems.
CH236317A
(en )
1945-01-31
Repeater circuit for telecommunications installations.
DK64812C
(en )
1946-09-23
Contact device for relay-controlled selectors for electrical connection systems, in particular automatic telephone systems.
DK76923C
(en )
1954-01-04
Selects, especially for automatic telephone systems.
CH262920A
(en )
1949-07-31
Telecommunications installation.
DK64128C
(en )
1945-12-03
Electrical System for Transmitting Signals through a Line.
DK63778C
(en )
1945-08-06
Selector for Telephone system.
DK63862C
(en )
1945-08-27
Connecting device for signaling systems, in particular telephone systems.
CH247350A
(en )
1947-02-28
Selection switch for automatic telephone installation.
CH247353A
(en )
1947-02-28
Selection switch for automatic telephone installation.
DK95595C
(en )
1963-03-18
Automatic signaling system designed as an intermediate line system.
DK63983C
(en )
1945-10-01
Identification circuit for fully or semi-automatic Telephone systems or similar Remote signaling systems.
DK41793C
(en )
1930-03-10
Selector for automatic Telephone Systems.
DK63377C
(en )
1945-04-16
Pupinized Remote Message Cable, especially Submarine Cable.
ES138559A1
(en )
1935-09-01
A device for time signals, particularly for central call installations.