CH63714A
(en )
1914-02-16
Selector for automatic telephone switches
FR467088A
(en )
1914-06-03
Further development in automatic selector switches
FR455718A
(en )
1913-08-07
Special selector for automatic telephone switches
FR474950A
(en )
1915-03-26
Brick making machine
FR476461A
(en )
1915-08-05
Automatic telephone switch
FR474736A
(en )
1915-03-04
Automatic selector for telephone offices
AU254711B
(en )
1912-03-26
Improved selector for automatic telephone exchanges
FR466834A
(en )
1914-05-25
Switch for automatic telephone system
CH74492A
(en )
1917-03-01
Selector switch for telephone systems
FR484936A
(en )
1917-11-22
Mechanism for automatic switches
AU254711A
(en )
1912-03-26
Improved selector for automatic telephone exchanges
DK21265C
(en )
1916-06-13
Wiring device at automatic telephone exchanges.
GB191307127A
(en )
1914-03-25
Improved Circuit Arrangements for Telephone Exchanges with Automatic Selecting Devices.
FR413579A
(en )
1910-08-12
Faucet for laundry batteries
CH40705A
(en )
1908-08-17
Selector for automatic telephone switches
FR469517A
(en )
1914-08-03
Mixer tap for bath-showers
AU1183914B
(en )
1914-05-12
Improvements in automatic selector switches
FR460656A
(en )
1913-12-09
Automatic switch for telephone currents
AU1172513B
(en )
1914-03-26
Improved circuit arrangements for telephone exchanges with automatic selecting devices
FR461819A
(en )
1914-01-12
Selector telephone system
AU1172513A
(en )
1914-03-26
Improved circuit arrangements for telephone exchanges with automatic selecting devices
CH67820A
(en )
1915-01-16
Selector arrangement for telephone switching devices with automatic or semi-automatic operations
CH67819A
(en )
1915-01-16
Selector arrangement for telephone switching devices with automatic or semi-automatic operations
FR460798A
(en )
1913-12-11
Support for electrical switches
CH67505A
(en )
1915-02-16
Automatic line selector