DK22255C
(en )
1917-07-09
Selector for Making Connections in Telephone Systems.
DK19355C
(en )
1914-10-12
Selector for Making Connections in Telephone Systems.
DK23466C
(en )
1918-09-02
Selector for Making Connections in Telephone Systems.
DK19847C
(en )
1915-02-15
Telephone systems in which the Connections are made Using Automatic Dialers.
DK20140C
(en )
1915-05-03
Selector switch for Telephone Systems.
AT89572B
(en )
1922-10-10
Selector for making connections in telephone systems.
DK20281C
(en )
1915-06-28
Telephone system in which the Connections are made Using Automatic Dialers.
AT82832B
(en )
1921-02-25
Telephone switching system.
DK20075C
(en )
1915-04-12
Connecting device for Part subscribers in Telephone systems.
DK20070C
(en )
1915-04-12
Telephone exchange system with automatic Divert.
AT80094B
(en )
1920-02-25
Semi-automatic telephone system. Semi-automatic telephone system.
DK33212C
(en )
1924-05-12
Telephone system with Group selector setting.
GB101047A
(en )
1916-09-11
Improvements in Automatic Telephone Systems.
GB103116A
(en )
1917-06-07
Improvements in Automatic Telephone Systems.
DK19937C
(en )
1915-03-08
Telephone exchange connection.
DK29326C
(en )
1922-02-13
Procedure for Making Yeast.
DK23832C
(en )
1918-12-09
Procedure for Making Socks.
DK20066C
(en )
1915-04-06
Machine for Making Hulsten.
AT75556B
(en )
1919-02-25
Circuit for telephone systems with dialer operation.
DK24408C
(en )
1919-04-14
Dial-up distribution system for Telephone exchanges.
DK19685C
(en )
1915-01-11
Procedure for Manufacturing Pipe Fittings.
AT80096B
(en )
1920-02-25
Selector for auto line telephone systems. Selector for auto line telephone systems.
DK20338C
(en )
1915-07-12
Procedure for Making Emulsions.
DK20345C
(en )
1915-07-12
Procedure for Making Emulsions.
AT82883B
(en )
1921-02-25
Automatic telephone system.