DIFF Subgroup
H01J 13/16 Anodes; Auxiliary anodes for maintaining the discharge
Introduced: September 1968
Full Title
Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes > Details > Main electrodes; Auxiliary anodes > Anodes; Auxiliary anodes for maintaining the discharge
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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