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H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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9/00
Apparatus or processes specially adapted for the manufacture; , installation, removal, maintenance; of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
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H01J9/38
Exhausting, degassing, filling, or cleaning vessels
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H01J9/395
Filling vessels
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