US20030216818A1
(en )
2003-11-20
Method for driving appliances and household appliance with energy management
SE444629B
(sv )
1986-04-21
Plasmabrennare med beroringskydd
GB947934A
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1964-01-29
An electric alternating-current switching arrangement
US2516538A
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1950-07-25
Protective control system
US2777047A
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1957-01-08
Power supply for multiple welding units
JPS57122686A
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1982-07-30
Parallel operation controller for dc motor
GB769506A
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1957-03-06
Snap action circuit breaker
CS205805B1
(cs )
1981-05-29
Zapojenie na ochranu fázovo riadených elektrotepelných zariadení
JPS5714919A
(en )
1982-01-26
Switching regulator
US3141918A
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1964-07-21
Zone temperature controlled bath furnace
JPS5726176A
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1982-02-12
Power source device for electric prevention for corrosion provided with switch controlling output current
GB622605A
(en )
1949-05-04
Improvements in or relating to electrical distribution systems and protection thereof
CS205525B1
(sv )
1981-05-29
Zapojenie ne tepelné spracovanie
JPS54113038A
(en )
1979-09-04
Dc power supply circuit
JPS6481668A
(en )
1989-03-27
Controlling method for inverter equipment
JPS5467655A
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1979-05-31
Distribution line shortage protector
JPS5641774A
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1981-04-18
Method and device for operating power source device using inverter device
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1966-10-11
Directional overcurrent relays
GB743323A
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1956-01-11
Improvements in electric protective and/or fault locating systems for polyphase alternating current power-transmission networks
GB812624A
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1959-04-29
Thermally operated electric switching mechanisms
US3241037A
(en )
1966-03-15
Control device for current converters in reverse connection
SU983877A1
(ru )
1982-12-23
Устройство дл защиты трехфазного электродвигател от работы на двух фазах
JPS641431A
(en )
1989-01-05
Power source equipment
GB2048599A
(en )
1980-12-10
Control circuitry for gated diode switches
SU636755A1
(ru )
1978-12-05
Способ управлени тиристорным ключом