4. Electrical generator or motor structure
  5. Dynamoelectric
  6. Rotary

Friedrich Behrens

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Method of producing a commutator of an electrical machine

Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate

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Roll commutator for electric motors and dynamos, and method of m

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Profile ID: LFUS-PAI-P-559623

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