4. Electric heating
  5. Metal heating
  6. By arc

Isao Katayama

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Combined copy machine and storage support or similar article

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Composite laser and punch processing device

Electric heating – Metal heating – By arc
Patent

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Compound machining apparatus

Electric heating – Metal heating – By arc
Patent

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Compound machining apparatus

Electric heating – Metal heating – By arc
Patent

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Copying machine

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Profile ID: LFUS-PAI-P-1392438

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