DK66327C
(en )
1948-02-16
Coupling for Power supply of an electrical device from a power source with varying voltage.
FR877894A
(en )
1943-01-05
Electric voltage regulator-transformer
FR869485A
(en )
1942-02-03
Regulated electrical control
SU74288A1
(en )
1948-11-30
A device for turning on or off a controlled circuit at a given moment of an alternating current period
DK59587C
(en )
1942-03-23
Apparatus for feeding an AC power supply from a DC power source.
DK60967C
(en )
1943-05-31
Apparatus with an electric Gaseous discharge tube.
SE106070C1
(en )
1942-12-08
Electrical installation device
DK63085C
(en )
1945-01-08
Apparatus for generating a high frequency AC voltage, preferably for measuring purposes.
DK59506C
(en )
1942-02-23
Apparatus for generating short-term electric shocks.
DK65963C
(en )
1947-12-01
Apparatus with an Electric Discharge Tube for Very High Frequencies.
CH219780A
(en )
1942-02-28
Device for the protection of direct current high voltage power transmission systems.
DK67687C
(en )
1948-09-27
Voltage regulating device.
DK66850C
(en )
1948-05-24
Electrical Appliance with a Brown Tube.
FI20090A
(en )
1944-05-11
Device for gas generators
FI18755A
(en )
1940-11-04
Electrical power supply and power supply for the operation of the brand
DK63223C
(en )
1945-03-05
Apparatus for generating short electric waves.
ES149243A1
(en )
1942-06-01
AN ELECTRICAL DISCHARGE DEVICE
ES145639A1
(en )
1940-12-16
ELECTRICAL REGULATION DEVICE
ES149235A1
(en )
1942-05-01
PROCEDURE FOR STABILIZATION OF AN ENERGY PRODUCER DEVICE
FR921727A
(en )
1947-05-16
Electric light source
FI19507A
(en )
1943-03-10
Electric power supply for optical indication
CA398528A
(en )
1941-08-05
Electric furnace current supply device
DK60270C
(en )
1942-10-26
Apparatus for generating short-term electrical voltage pulses in electric fences.
ES152039A3
(en )
1943-03-01
AN AUTOMATIC REGULATOR OR ELECTRICAL CURRENT SUPPLY BREAKER
DK60017C
(en )
1942-08-03
Clock for Coupling an Electrical Circuit.