4. Typewriting machines
  5. For line-spacing by incremental rotation of platen
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Device for controlling the rotary movement of a platen

Typewriting machines – For line-spacing by incremental rotation of platen – By electric-power drive
Patent

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Device for printing out indices and powers in typewriters

Typewriting machines – For line-spacing by incremental rotation of platen – By electric-power drive
Patent

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Dot matrix printer

Typewriting machines – For line-spacing by incremental rotation of platen – By electric-power drive
Patent

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Drive for friction rolls in printers

Typewriting machines – For line-spacing by incremental rotation of platen – By gear train
Patent

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Drive force transmission mechanism

Typewriting machines – For line-spacing by incremental rotation of platen – By gear train
Patent

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