DK51629C
(en )
1936-05-11
Electrical apparatus, in particular X-ray apparatus.
AT136630B
(en )
1934-02-26
Control device, in particular for electrical machines.
CH162661A
(en )
1933-06-30
Exchange for electrical telecommunication connections.
SU20588A1
(en )
1931-04-30
Device for putting spools on
CH171489A
(en )
1934-08-31
Clamping device for electrical lines.
CH153015A
(en )
1932-02-29
Rapid regulators for electrical machines.
AT131839B
(en )
1933-02-10
Hydrogen-cooled electric machine.
CH138415A
(en )
1930-02-28
Stands for electrical machines.
CH167617A
(en )
1934-02-28
Molding compound, in particular for electrical insulating materials.
AT126885B
(en )
1932-02-25
Collector for electrical machines.
AT138260B
(en )
1934-07-10
Control device for work machines.
CH175513A
(en )
1935-02-28
Control device for electric knitting machine drives.
CH172271A
(en )
1934-10-15
Electric heating devices, in particular in incubators.
AT136693B
(en )
1934-02-26
Electric point machine.
CH145486A
(en )
1931-02-28
Switching device for the memory counters on calculating machines.
CH145592A
(en )
1931-02-28
Step switching device for electrical systems.
CH153007A
(en )
1932-02-29
Cable rolling device for electrical lines.
DK48829C
(en )
1934-06-04
Electrical control device, in particular for train lighting.
AT131896B
(en )
1933-02-25
Support plate for electric irons.
ES123292A1
(en )
1931-07-16
Lock device for electrical switches.
AT136635B
(en )
1934-02-26
Device on tensioning clamps for electrical lines.
ES125098A1
(en )
1932-02-01
Improvements in tire retreading machines.
DK50207C
(en )
1935-05-06
Electrical apparatus, in particular X-ray apparatus.
AT108833B
(en )
1928-02-10
Closed electrical machine working under liquid.
AT108876B
(en )
1928-02-10
Groove lock for electrical machines.