4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Ray generating or control

Hyeong-dong Kim

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Electron gun for cathode ray tube

Electric lamp and discharge devices – Cathode ray tube – Ray generating or control
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Touch panel with a contact conductive layer comprising a phototr

Telegraphy – Systems – Position coordinate determination for writing
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Profile ID: LFUS-PAI-P-133291

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