4. Photocopying
  5. Contact printing
  6. Light boxes

Hoon B. Choi

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Beam scanning device for an electronic photography type printer

Recorders – Light or beam recording – Including record receiver or handling means therefor
Patent

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Copying paper feed sensing device for a copying apparatus

Photocopying – Contact printing – Light boxes
Patent

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Laser irradiation device of laser printers

Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent

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Method for supplying power to a copying machine

Photocopying – Contact printing – Light boxes
Patent

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Profile ID: LFUS-PAI-P-27479

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