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

Tutomu Tojyo

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CRT deflection-defocusing correcting member therefor, a...

Electric lamp and discharge devices – Cathode ray tube – Beam deflecting means
Reexamination Certificate

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CRT with asymmetric electrode geometry in inline direction with

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

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CRT, deflection-defocusing correcting member therefor, a method

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

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Objective lens for a microscope

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Profile ID: LFUS-PAI-P-737796

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