FR881535A
(en )
1943-04-28
Electrical signaling systems
FR881538A
(en )
1943-04-28
Electrical signaling systems
CH269659A
(en )
1950-07-15
Telegraph system.
CH267007A
(en )
1950-02-28
Telephone set.
FR885987A
(en )
1943-09-30
Telephone or similar systems
CH257959A
(en )
1948-11-15
Motocultor.
DK64843C
(en )
1946-10-07
Telephone systems or similar Remote signaling systems.
CH230478A
(en )
1944-01-15
Kötzerspulmaschine.
DK64602C
(en )
1946-07-08
Telephone systems or similar Remote signaling systems with Wire selectors.
DK70263C
(en )
1949-11-28
Telephone systems or similar remote signaling systems.
CH262920A
(en )
1949-07-31
Telecommunications installation.
DK65068C
(en )
1946-11-18
Telephone systems or similar Remote signaling systems comprising one or more Steps Group selectors.
DK63983C
(en )
1945-10-01
Identification circuit for fully or semi-automatic Telephone systems or similar Remote signaling systems.
IE16241L
(en )
1941-12-22
Party line systems.
DK75692C
(en )
1953-04-13
Electrical signaling system.
DK75511C
(en )
1953-03-02
Signaling connection for telephone systems.
DK66625C
(en )
1948-04-19
Fully or semi-automatic Remote Signaling System.
CH222664A
(en )
1942-07-31
Fitting element.
DK60419C
(en )
1942-12-14
Ajlebeholder.
CH219678A
(en )
1942-02-28
Inkware.
DK56800C
(en )
1939-10-16
Telephone systems or similar Remote signaling systems.
DK56280C
(en )
1939-06-12
Telephone systems or similar Remote signaling systems.
DK57488C
(en )
1940-04-15
Telephone systems or similar Remote signaling systems.
DK56689C
(en )
1939-09-18
Telephone systems or similar Remote signaling systems.
CH282889A
(en )
1952-05-15
Telephone installation.