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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1/00
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
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H01J1/54
Screens on or from which an image or pattern is formed, picked-up, converted, or stored; Luminescent coatings on vessels
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H01J1/62
Luminescent screens; Selection of materials for luminescent coatings on vessels
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