CH68008A
(en )
1915-02-01
Selector for automatic or semi-automatic telephone systems
CH63711A
(en )
1914-03-02
Selector device for automatic or semi-automatic telephone systems
FR463244A
(en )
1914-02-17
Load indicator for automatic guns
FR462131A
(en )
1914-01-20
Selector for automatic or semi-automatic telephone switching systems
AT63202B
(en )
1914-01-26
Selector for automatic or semi-automatic telephone switching devices.
FR474151A
(en )
1915-02-10
Line system for automatic or semi-automatic telephone systems
FR439189A
(en )
1912-06-07
Connection system for teledynamic transmissions
FR455718A
(en )
1913-08-07
Special selector for automatic telephone switches
FR416363A
(en )
1910-10-18
Selector for automatic telephone systems
FR462306A
(en )
1914-01-24
Connection system for automatic or semi-automatic telephone systems
FR22711E
(en )
1921-08-10
Line system for automatic or semi-automatic telephone systems
FR420296A
(en )
1911-01-26
Provision for automatic telephone systems
ES58741A1
(en )
1914-08-16
A connection device by means of selection for automatic or semi-automatic telephone installations.
FR452540A
(en )
1913-05-19
Automatic or semi-automatic telephone system
FR518257A
(en )
1921-05-21
Line selector for automatic telephone systems
FR19243E
(en )
1914-12-01
Connection system for automatic or semi-automatic telephone systems
DK20713C
(en )
1915-11-01
Coupling device for automatic or semi-automatic Telephone systems.
FR456564A
(en )
1913-08-29
Transmitter for automatic telephone systems
DK16333C
(en )
1912-08-19
Connecting device for automatic or semi-automatic Telephone systems.
FR15843E
(en )
1912-10-04
Meters for telephone systems
CH59283A
(en )
1913-05-16
Switching for automatic or semi-automatic telephone systems
FR475756A
(en )
1915-06-14
Connection device by selection channel for automatic or semi-automatic telephone systems
GB191322850A
(en )
1914-06-18
Improved Circuit Arrangements for Automatic Telephone Systems.
AT63771B
(en )
1914-03-10
Impulse transmitter for automatic telephone systems.
CH63714A
(en )
1914-02-16
Selector for automatic telephone switches