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US3375433A
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Device for controlling the output frequency of a generator driven by a wound rotor induction motor
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US2876405A
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Protective circuit for synchronous motors
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Electric switch
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Synchronous motor rotor conductor bar construction
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US2872659A
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Contact assembly
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Accelerator pedal depressor
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Eddy current dynamometer
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Direct reading eddy current dynamometer
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Dynamometer
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Battery charger
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Automatic mechanism for controlling electric cut-outs.
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CA593838A
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Synchronous motor construction
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