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

Douglas B. Frye

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Rechargeable nickel electrode containing electrochemical cell

Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
Patent

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Rechargeable nickel electrode containing electrochemical cell an

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

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Profile ID: LFUS-PAI-P-603620

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