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Utility model 7
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Utility model 1
Plane carbon patent for invention
Nanometer patent for invention
Copper roll manufacturing methods of commutators
Carbon blocks for plane carbon commutators
Column carbon commutator
Full-plastic commutator
Plane carbon commutator
Plane carbon commutator
Commutator segments for plane commutators
Plane commutator
Plane commutator
Plane commutator
Reinforced commutator
Reinforced commutator
Reinforced commutator
Commutator pre-assembled part pressure tester
Bushes for commutators
Manufacturing methods of commutators and products
Commutator segments
commutator
Hook type commutator
Lathe automatic decision mechanism
Groove type commutator
