DK46278C
(en )
1932-10-03
Impulse transmitter for use in automatic telephone systems and the like.
CH158085A
(en )
1932-10-31
Device for checking the coins inserted in self-collecting telephone stations.
DK43770C
(en )
1931-03-02
Device for pushing in and out of carrier couplings and the like.
DK45393C
(en )
1932-03-14
Removal device for sweeping shears and the like.
DK52539C
(en )
1937-01-11
Impulse transmitter, preferably for Use in Automatic Telephone Systems.
ES117623A1
(en )
1930-05-01
Improvements in automatic or semiautomatic telephone systems.
ES117219A1
(en )
1930-04-01
Improvement in automatic or semiautomatic telephone systems.
FR39921E
(en )
1932-03-19
Further training in automatic telephone systems
ES116507A1
(en )
1930-02-16
Improvements in networks or telephone lines.
DK49134C
(en )
1934-08-13
Telegraph system with associated Devices for Use in this.
DK45357C
(en )
1932-03-07
Device for spectacles, night nets and the like.
DK46554C
(en )
1932-11-28
Gear for Automobiles and the like.
ES124424A1
(en )
1931-11-16
Improvements in telephonic and similar transmission systems.
ES118885A1
(en )
1930-08-01
Improvements in the systems of automatic or semiautomatic telephone exchanges.
ES116692A1
(en )
1930-03-01
Improvements in the systems of automatic and semiautomatic telephone exchanges.
DK45072C
(en )
1932-01-04
Gearshift device for Automobiles and the like.
DK44556C
(en )
1931-08-31
Reflection mirror for automobiles and the like.
DK44692C
(en )
1931-10-12
Rope launching device for fishing cutters and the like.
ES117323A1
(en )
1930-04-16
Improvements in automatic telephone exchange systems.
AU1118728A
(en )
1928-06-05
Improvements in automatic telephone systems
AU1214628A
(en )
1929-02-19
Improvements in automatic telephone systems
AU2562630A
(en )
1931-03-19
Improvements in automatic or semi automatic party line telephone systems
ES117322A1
(en )
1930-05-01
Improvements in telephone devices.
DK46543C
(en )
1932-11-28
Protective device for telephone cords and the like.
AU1351628A
(en )
1929-05-21
Improvements in automatic or semiautomatic telephone systems