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Method and apparatus for controlling a lifting magnet supplied with an AC source
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Controller for inductive devices
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Control system for induction motors and braking generator combination
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Protective control system for electric motor
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Electronic limit control circuit
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Load measuring system for automatically controlling the closing and opening of circuit breakers
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Wire connector
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Limit control system for reversible motors
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Combination of an electric switch and air core reactor for protecting electrical equipment from excessive fault currents
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Control system for an induction motor and braking generator combination
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Electric switch
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Control means for dynamic braking
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