4. Geometrical instruments
  5. Scriber

Sadaaki Fukumura

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Apparatus for preventing drying-up of drawing needle pens

Recorders – Multifactor-driven recorder element
Patent

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Pen tip cleaning assembly of plotter

Geometrical instruments – Scriber
Patent

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Writing pressure-changing device for recording device or the lik

Recorders – Markers and/or driving means therefor – Stylus feature
Patent

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Profile ID: LFUS-PAI-P-591428

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