4. Photocopying
  5. Including fiber optics

Masaakira Umehara

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Color electrostatic copying machine

Photocopying – Including fiber optics
Patent

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Optical information recording element

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product
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Optical information recording medium

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
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Optical information recording medium

Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent

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Optical information recording medium

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product
Patent

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Profile ID: LFUS-PAI-P-56744

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