CH167915A
(en )
1934-03-15
Electric cable.
DK47703C
(en )
1933-08-28
Pantograph power take-off device for electric railways and the like.
DK48194C
(en )
1933-12-27
Device for pantograph current collection devices for electric railways and the like.
AT136632B
(en )
1934-02-26
Power cable connection.
CH172975A
(en )
1934-10-31
Device for the electrical heating of railroad cars.
CA269858A
(en )
1927-04-12
Power connection device
DK47403C
(en )
1933-06-06
Drive device for electrically powered vehicles, lifting or transport devices and the like.
DK48161C
(en )
1933-12-18
Protection device for railway crossings and the like.
ES125150A1
(en )
1932-02-01
Perfeccionamientos in railways that allow the traction without adherencia.
DK47658C
(en )
1933-08-21
Pole for electric accumulators and the like.
DK46942C
(en )
1933-02-13
Carrying device for thermoses and the like.
DK47257C
(en )
1933-04-24
Steel mast for electrical wires and the like.
DK47440C
(en )
1933-06-12
Device for electric thermostats and the like.
DK45393C
(en )
1932-03-14
Removal device for sweeping shears and the like.
CA324509A
(en )
1932-07-26
Piezo electric device
CA323269A
(en )
1932-06-14
Locomotive device
AT131944B
(en )
1933-02-25
Power connection device.
CA328010A
(en )
1932-11-29
Railway track device
ES127048A1
(en )
1932-10-01
Electric tabletop lighter device.
DK47426C
(en )
1933-06-12
Device for electrically powered trains.
ES125327A1
(en )
1932-02-16
Electrical energy converter apparatus.
CA298753A
(en )
1930-04-01
Propelling device
ES126273A1
(en )
1932-05-01
Electric functioning lacryrring apparatus.
DK49376C
(en )
1934-10-08
Signal device for railway crossings and the like.
CA283536A
(en )
1928-09-25
Pothead device