AT131843B
(en )
1933-02-10
Device for controlling switching devices or the like.
AT115934B
(en )
1930-01-25
Remote switching device for valves or the like and remote control valve suitable for this purpose.
CH145543A
(en )
1931-02-28
Switching device.
FR687002A
(en )
1930-08-04
Control transformer
AT127082B
(en )
1932-02-25
Automatic control device for gramophones or the like.
AT121046B
(en )
1931-01-26
Device for self-ventilation of feed water and the like like
DK41382C
(en )
1929-12-30
Control device.
ES114511A1
(en )
1929-09-16
Lighting device for glass ornaments and the like.
AT109657B
(en )
1928-05-25
Spring mattress or the like.
FR666029A
(en )
1929-09-26
Drawbridge control
DK40208C
(en )
1929-05-27
Oil level control device for automobiles and the like.
DK44462C
(en )
1931-08-10
Continuous Liquid heating or sterilization system.
ES88638A1
(en )
1924-05-01
Improvements in control devices for burners or other similar devices.
CA279853A
(en )
1928-05-01
Control device
CA281972A
(en )
1928-07-24
Control device
ES102875A1
(en )
1927-07-01
Multiple-poled concrete device.
DK49459C
(en )
1934-10-29
Device for Remote Control of Switches and the like.
GR2620B
(en )
1930-01-31
CONTROL DEVICE.
SU18186A1
(en )
1930-09-30
Device for signaling the heating of the bearing
DK43325C
(en )
1930-11-10
Device by Radrenserskæ and the like.
ES110335A1
(en )
1929-01-01
Improvements in the norias or elevating devices.
ES115397A1
(en )
1930-01-01
MODULATION DEVICE.
DK43515C
(en )
1930-12-22
Breakthrough and Breakthrough Device.
DK46931C
(en )
1933-02-13
Device for Maintaining the Transverse Control of Airplanes.
CH131525A
(en )
1929-02-28
Device for the formation of transportable drifting beds and greenhouses.