US3122820A
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Method of manufacturing a rotor for a dynamo-electric machine
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GB890013A
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Improvements in or relating to commutators for dynamo-electric machines
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GB861709A
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Improvements in and relating to methods of manufacturing commutators for electric motors and generators
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GB920611A
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Improvements in and relating to commutators for dynamo-electric machines
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GB812712A
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Improvements in or relating to commutators of dynamo-electric machines
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ES224466A1
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Improvements in switches for digital-electrical machines (Machine-translation by Google Translate, not legally binding)
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GB784717A
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Improvements in or relating to commutators for dynamo-electric machines
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GB763404A
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Improvements in or relating to commutators for electric motors and generators
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US2674784A
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Commutator
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GB678274A
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Improvements in or relating to commutators
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GB659744A
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Improvements in or relating to commutators
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GB632020A
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Improvements in or relating to electric commutators
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US2516593A
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Commutator for rotary dynamoelectric machines
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GB624859A
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Improvements in or relating to electric commutators
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GB644285A
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Improvements in or relating to commutators
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GB644300A
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Improvements in or relating to commutators
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GB382717A
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Improvements in or relating to brush gear for electric motors
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CA494324A
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Commutators
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CA487497A
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Electric commutators
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CA475963A
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Commutators for rotary dynamo-electric machines
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