Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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31/00
Cathode ray tubes; Electron beam tubes
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H01J31/02
having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
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H01J31/04
with only one or two output electrodes; with only two electrically independant groups or electrodes
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