4. Typewriting machines
  5. Platen or platen-moving mechanism
  6. Cylindrical platen

Ravi T. Singh

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Printer device roller with grit-blasted surface, and bearing mou

Metal working – Method of mechanical manufacture – Roller making
Patent

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Printer drive roller with grit-blasted surface

Typewriting machines – Platen or platen-moving mechanism – Cylindrical platen
Patent

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Profile ID: LFUS-PAI-P-1013653

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