Selection of substances for gas filling; Means for obtaining the desired pressure within the tube

Introduced: September 1968

Title

Titles differ between systems:

IPC: Selection of substances for gas filling; Means for obtaining or maintaining the desired pressure within the tube

CPC: Selection of substances for gas filling; Means for obtaining the desired pressure within the tube

Full Title

Full titles differ between systems:

IPC:

Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes > Details > Selection of substances for gas filling; Means for obtaining or maintaining the desired pressure within the tube

CPC:

Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes > Details > Selection of substances for gas filling; Means for obtaining the desired pressure within the tube

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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H01J 13/30 Means for permitting pumping during operation of the tube IPC+CPC Available in IPC and CPC