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US3317766A
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Synchronous motors
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FR1388922A
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Improvements to electric motors
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FR1365472A
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Improvements to synchronous motors
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FR1331565A
|
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Servo motor for remote control by pulses
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GB983854A
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Apparatus for producing a turbulent flow in a fluid
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GB907130A
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Automatic control system for electrical generators
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US3173075A
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Current generator
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ES257015A1
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Universal synchronous motor (Machine-translation by Google Translate, not legally binding)
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GB886092A
|
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Electric motor
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US3122666A
|
|
Universal synchronous motor
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US3119941A
|
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Step by step motor
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GB884996A
|
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Improvements in or relating to synchronous motors
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