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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63/00
Cathode-ray or electron-stream lamps
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H01J63/02
Details, e.g. electrode, gas filling, shape of vessel
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H01J63/04
Vessels provided with luminescent coatings; Selection of materials for the coatings
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