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PCE
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DIFF Subgroup
H01J 13/04

Main electrodes; Auxiliary anodes

Introduced: September 1968

Full Title

Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes > Details > Main electrodes; Auxiliary anodes

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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