CH256778A
(en )
1948-08-31
Automatic firearm.
CH184911A
(en )
1936-06-30
Automatic firearm.
DK54310C
(en )
1938-02-14
Impulse Regenerator for Use in Automatic Telephone Systems or Other Impulse Transmission Systems.
CH219816A
(en )
1942-02-28
Rotary selector in telephone system.
CH171532A
(en )
1934-08-31
Telephone control set in automatic telephone system.
CH167967A
(en )
1934-03-15
Installation in automatic telephone systems.
CH234264A
(en )
1944-09-15
Telephone system.
DK50345C
(en )
1935-06-17
Coupling device for automatic Telephone systems.
DK52539C
(en )
1937-01-11
Impulse transmitter, preferably for Use in Automatic Telephone Systems.
DK53478C
(en )
1937-08-23
Telephone system with Selector operation.
DK53294C
(en )
1937-07-12
Telephone system with Selector operation.
DK55113C
(en )
1938-08-22
Selector for automatic Telephone systems.
DK53758C
(en )
1937-10-25
Coupling device for Telephone systems with Main and Sub-exchanges.
DK58123C
(en )
1940-11-04
Machine-operated Selector for automatic telephone systems.
DK56914C
(en )
1939-11-13
Impulse repeater for Telephone systems or similar Remote signaling systems.
DK58726C
(en )
1941-06-03
Telegraph selector system.
DK55312C
(en )
1938-10-10
Long Distance Transmission System.
DK58066C
(en )
1940-10-14
Coupling device for Relay transmitters in Telegraph systems.
DK53234C
(en )
1937-06-21
Coupling to Signaling in Telephone systems.
DK53891C
(en )
1937-11-22
Trovejs Telephone Transmission System or Amplifier System.
DK48999C
(en )
1934-07-16
Automatic or semi-automatic Telephone system.
DK61561C
(en )
1943-11-15
Selector of the Type used in automatic Telephone Systems.
DK58124C
(en )
1940-11-04
Fully or semi-automatic Telephone System.
DK52425C
(en )
1936-12-14
Selector circuit for fully or semi-automatic Telephone Systems or similar Systems.
DK50510C
(en )
1935-08-05
Coupling device for automatic Telephone systems.