4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Envelope

Jong-Han Lee

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Cathode ray tube having mask assembly for displaying clearer...

Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Reexamination Certificate

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Shrinkage band and cathode ray tube comprising the same

Electric lamp and discharge devices – Cathode ray tube – Envelope
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2738485

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