AT75552B
(en )
1919-02-25
Circuit arrangement for telephone systems with automatic or semi-automatic operation.
AT72189B
(en )
1916-07-25
Circuit arrangement for telephone systems with automatic or semi-automatic operation.
AT68533B
(en )
1915-04-26
Circuit arrangement for telephone systems with semi-automatic operation.
CH71981A
(en )
1916-03-16
Circuit arrangement for telephone systems with automatic or semi-automatic operation and group stations
AT91382B
(en )
1923-02-26
Circuit arrangement for connecting lines between groups in telephone systems for automatic or semi-automatic operation.
CH68410A
(en )
1915-03-16
Line arrangement for automatic or semi-automatic telephone systems
CH69081A
(en )
1915-05-17
Selector switch for automatic or semi-automatic telephone systems
AT63202B
(en )
1914-01-26
Selector for automatic or semi-automatic telephone switching devices.
AT71459B
(en )
1916-03-27
Circuit arrangement for telephone exchanges with semi-automatic operation.
AT75593B
(en )
1919-02-25
Circuit arrangement for telephone systems with dialer operation.
AT75556B
(en )
1919-02-25
Circuit for telephone systems with dialer operation.
CH67368A
(en )
1914-12-01
Circuit arrangement in telephone systems with semi-automatic operation
CH67367A
(en )
1914-12-01
Circuit arrangement in telephone systems with semi-automatic operation
AT65751B
(en )
1914-07-25
Circuit for semi-automatic telephone systems.
CH62691A
(en )
1913-12-16
Circuit arrangement for operating telephone systems with manual operation
GB191322850A
(en )
1914-06-18
Improved Circuit Arrangements for Automatic Telephone Systems.
CH67819A
(en )
1915-01-16
Selector arrangement for telephone switching devices with automatic or semi-automatic operations
CH67820A
(en )
1915-01-16
Selector arrangement for telephone switching devices with automatic or semi-automatic operations
FR479204A
(en )
1916-03-01
Automatic or semi-automatic telephone
CH59283A
(en )
1913-05-16
Switching for automatic or semi-automatic telephone systems
AT91080B
(en )
1923-01-25
Electrical control system for automatic or semi-automatic telephone exchanges.
AT71121B
(en )
1916-02-10
Circuit arrangement for telephone systems operated with voters.
ES58936A1
(en )
1914-09-01
An automatic firearm.
ES59150A1
(en )
1914-12-16
An automatic firearm.
FR477466A
(en )
1915-10-22
Automatic selector