4. Typewriting machines
  5. Including interposed inking device for record-medium
  6. Means auxiliary to ribbon mechanism

Yasuo Ichikawa

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Detector for detecting malfunction of lubricating oil feeder

Lubrication – Lubricators – Force feed
Patent

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Ribbon mask for a printer

Typewriting machines – Including interposed inking device for record-medium – Means auxiliary to ribbon mechanism
Patent

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Profile ID: LFUS-PAI-P-491256

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