4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Beam deflecting means

Keum Sik Lee

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Flat picture tube

Electric lamp and discharge devices – With luminescent solid or liquid material – Vacuum-type tube
Patent

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Flat picture tube

Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means
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Gas flat display tube

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
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Profile ID: LFUS-PAI-P-1027657

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