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RU2015155261A
(ru)
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Коммутационное устройство с двумя переключателями ступеней нагрузки, электрическая установка с подобным коммутационным устройством и их применение
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US20100085129A1
(en)
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Impedance matching apparatus for plasma-enhanced reaction reactor
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US20160329168A1
(en)
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On-load tap changer according to the reactor switching principle
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JP7142122B2
(ja)
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適応型電圧変換システム
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US2354879A
(en)
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Electrical system and apparatus
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SE128018C1
(https=)
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US2591582A
(en)
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Welding transformer
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US20210151235A1
(en)
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Flexible transformer system
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US2446033A
(en)
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High reactance transformer
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US960440A
(en)
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Compensator.
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US2146914A
(en)
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Potential-regulating apparatus
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US2310101A
(en)
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Excitation circuit for flectric valve apparatus
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US1836615A
(en)
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Transformer for electric arc cutting and welding apparatus
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US2315609A
(en)
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Ground fault neutralizer
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US2440476A
(en)
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Electric heating system for a plurality of objects, responsive to temperature and position thereof
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CN109074950B
(zh)
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具有调节绕组群的高压电气设备
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US2000776A
(en)
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Regulating system
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US2078110A
(en)
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Igniting system
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US2411476A
(en)
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Load-ratio-control circuit
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US861031A
(en)
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Electric induction-furnace.
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US1112282A
(en)
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Rectifier system.
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US764485A
(en)
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Transformer.
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US1153794A
(en)
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Mercury-vapor rectifier and the like.
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US1250834A
(en)
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Current-regulator.
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AT78273B
(de)
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Einrichtung zum Betriebe von Röntgenröhren.
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