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

Koichi Miyagawa

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Color cathode ray tube having electrostatic quadrupole lenses

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

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Spring sheet

Spring devices – Coil – Including end thrust member
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Working method of bar block and manufacturing method of...

Metal working – Method of mechanical manufacture – Electrical device making
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Profile ID: LFUS-PAI-P-2557111

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