4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Shadow mask, support or shield

Hyang-Jin Koh

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Color selection apparatus for cathode ray tube

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

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Color selection apparatus for cathode ray tube having real...

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

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Flat mask for cathode ray tube

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

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Tension mask with inner shield structure for cathode ray tube

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

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Profile ID: LFUS-PAI-P-2570906

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