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

Lap Hang Chow

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Cold cathode fluorescent lamps

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

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Electroluminescent lamp driving circuit and method

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Periodic-type current and/or voltage regulator in the supply...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2897364

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