DK53105C
(en )
1937-05-18
Rambuk.
DK55367C
(en )
1938-10-24
Telephone systems or similar Remote signaling systems.
DK59567C
(en )
1942-03-16
Telephone systems or similar Remote signaling systems.
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.
CH234264A
(en )
1944-09-15
Telephone system.
CH189515A
(en )
1937-02-28
Telephone receiver.
DK55084C
(en )
1938-08-15
Telephone system.
DK70263C
(en )
1949-11-28
Telephone systems or similar remote signaling systems.
DK55009C
(en )
1938-07-25
Automatic Central for Telephone systems or similar Remote signaling systems.
CH189487A
(en )
1937-02-28
Installation switch.
DK55842C
(en )
1939-02-20
Fully or semi-automatic Telephone system or similar Remote signaling system.
DK56914C
(en )
1939-11-13
Impulse repeater for Telephone systems or similar Remote signaling systems.
DK53547C
(en )
1937-09-06
Remote Transmission System.
DK50697C
(en )
1935-09-30
Antenna system.
DK54667C
(en )
1938-04-25
Aircraft Location System.
DK52905C
(en )
1937-04-05
Signal system.
DK56164C
(en )
1939-05-15
Telephone systems or similar Remote signaling systems with Subscriber devices with ATM.
DK50992C
(en )
1935-12-09
Vodrulle or Tovskive.
DK62379C
(en )
1944-06-26
Remote signaling systems with subscriber identification devices.
ES133595A1
(en )
1934-05-16
Improvements or improvements in television systems.
DK64843C
(en )
1946-10-07
Telephone systems or similar Remote signaling systems.
DK57408C
(en )
1940-03-26
Electrical Remote Signaling System.