4. Education and demonstration
  5. Audio recording and visual means
  6. Visual information in book form

Leo Blume

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System for enhancing books

Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
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System for enhancing books with special paper

Education and demonstration – Audio recording and visual means – Visual information in book form
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2823628

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