AT73118B
(en )
1917-02-26
Circuit arrangement for telephone systems with central battery operation.
AT63622B
(en )
1914-02-25
Bangers for firearms.
AT71121B
(en )
1916-02-10
Circuit arrangement for telephone systems operated with voters.
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.
AT80136B
(en )
1920-02-25
Circuit arrangement for telephone systems. Circuit arrangement for telephone systems.
AT69059B
(en )
1915-06-10
Circuit arrangement for telephone systems.
AT71117B
(en )
1916-02-10
Circuit arrangement for telephone systems.
AT68533B
(en )
1915-04-26
Circuit arrangement for telephone systems with semi-automatic operation.
AT75582B
(en )
1919-02-25
Cord circuit for telephone exchanges with central battery operation.
GB191307125A
(en )
1914-03-19
Improved Test Circuit Arrangements for Telephone Systems.
AT71048B
(en )
1916-01-25
Circuit arrangement of an additional feed device for long telephone connection lines with central battery operation.
AT73145B
(en )
1917-02-26
Circuit arrangement for telephone systems with ordinary extensions and extensions with state connection.
AT75551B
(en )
1919-02-25
Telephone circuit.
AT80147B
(en )
1920-02-25
Circuit arrangement for telephone systems with dialing circuit arrangement for telephone systems with dialer operation. in operation.
CH74492A
(en )
1917-03-01
Selector switch for telephone systems
GB191317417A
(en )
1914-07-29
Improved Circuit Arrangements for Telephone Systems.
GB191321222A
(en )
1913-12-04
Improved Circuit Arrangements for Telephone Systems.
CH65992A
(en )
1914-08-01
Switching device for electrically operated pumps etc.
CH64521A
(en )
1914-04-01
Case for clockwork etc.
AT72189B
(en )
1916-07-25
Circuit arrangement for telephone systems with automatic or semi-automatic operation.
AT71459B
(en )
1916-03-27
Circuit arrangement for telephone exchanges with semi-automatic operation.
AT82822B
(en )
1921-02-25
Telephone switching system.
DK20140C
(en )
1915-05-03
Selector switch for Telephone Systems.
AT65751B
(en )
1914-07-25
Circuit for semi-automatic telephone systems.