DK62379C
(en )
1944-06-26
Remote signaling systems with subscriber identification devices.
CH236666A
(en )
1945-02-28
Telecommunications exchange system.
CH234264A
(en )
1944-09-15
Telephone system.
DK56280C
(en )
1939-06-12
Telephone systems or similar Remote signaling systems.
DK56689C
(en )
1939-09-18
Telephone systems or similar Remote signaling systems.
DK56800C
(en )
1939-10-16
Telephone systems or similar Remote signaling systems.
DK57488C
(en )
1940-04-15
Telephone systems or similar Remote signaling systems.
DK57408C
(en )
1940-03-26
Electrical Remote Signaling System.
DK59567C
(en )
1942-03-16
Telephone systems or similar Remote signaling systems.
DK56164C
(en )
1939-05-15
Telephone systems or similar Remote signaling systems with Subscriber devices with ATM.
DK58267C
(en )
1940-12-23
Remote signaling system.
DK59007C
(en )
1941-09-08
Remote Signaling Center System with Subscriber Identification Means.
DK55367C
(en )
1938-10-24
Telephone systems or similar Remote signaling systems.
DK57407C
(en )
1940-03-26
Electrical Signaling System.
DK57859C
(en )
1940-08-05
Electrical Signaling System.
DK58804C
(en )
1941-06-30
Detection device for Telephone systems or similar Remote signaling systems.
DK60533C
(en )
1943-01-25
Detection device for Telephone systems or similar Remote signaling systems.
DK55009C
(en )
1938-07-25
Automatic Central for Telephone systems or similar Remote signaling systems.
DK55842C
(en )
1939-02-20
Fully or semi-automatic Telephone system or similar Remote signaling system.
DK58642C
(en )
1941-05-05
Telegraph system.
DK56913C
(en )
1939-11-13
Telephone system.
DK70263C
(en )
1949-11-28
Telephone systems or similar remote signaling systems.
DK60116C
(en )
1942-09-07
Remote signaling systems with charging devices.
DK56567C
(en )
1939-08-21
AC signaling system.
DK57409C
(en )
1940-03-26
Detection device for Telephone systems or similar Remote signaling systems.