IPIQ

H

ELECTRICITY

H01

ELECTRIC ELEMENTS

H01J

ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS

13/00

Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes

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H01J13/02

Details

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H01J13/04

Main electrodes; Auxiliary anodes

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H01J13/06

Cathodes

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