CPC Subgroup
H01J 13/34 Igniting arrangements
Full Title
Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes > Details > Igniting arrangements
3 direct subcodes
Child Classifications
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- H01J 13/36 having resistive or capacitative igniter
- H01J 13/40 Igniting by movement of a solid electrode
- H01J 13/42 Igniting by movement of vessel as a whole, e.g. tilting