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

Yasufumi Wada

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Color cathode ray-tube with electron gun having a...

Electric lamp and discharge devices – Cathode ray tube – Ray generating or control
Reexamination Certificate

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Color display tube

Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Reexamination Certificate

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Color picture tube

Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Reexamination Certificate

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In-line type electron gun and color picture tube apparatus...

Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2107375

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