SU843120A1
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Two-speed synchronous electric motor
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SU830616A1
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Ac electric motor
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SU773847A1
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Induction electric motor
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SU845239A1
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Thyristorized dc-voltage-to-dc voltage converter
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SU811421A1
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Single-phase induction motor
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SU775830A1
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Synchronous electric machine
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SU758408A1
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Two-speed synchronous electric motor
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SU716117A1
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Ac motor
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SU744860A2
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Synchronous electric motor
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SU732601A1
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Magnetic transmission
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SU700897A1
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Synchronous electric motor
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SU672412A1
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Wave-type gearing adjustable generator
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SU595833A2
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Reducer-type synchronous electric motor
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SU758407A1
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Synchronous electric motor
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SU626470A1
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Reduction synchronous electric motor
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