CPC Subgroup Additional Only
H01J 2893/0001 Electrodes and electrode systems suitable for discharge tubes or lamps
Full Title
Discharge tubes and lamps > Electrodes and electrode systems suitable for discharge tubes or lamps
4 direct subcodes
Child Classifications
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- H01J 2893/0002 Construction arrangements of electrode systems
- H01J 2893/001 Non-constructive schematic arrangements
- H01J 2893/0011 Non-emitting electrodes
- H01J 2893/0012 Constructional arrangements