4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Otto Klein

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Apparatus for making a commutator for an electric motor

Metal working – Plural diverse manufacturing apparatus including means for... – Including composite tool
Patent

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Method for making a commutator for an electric motor

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Profile ID: LFUS-PAI-P-540667

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