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DIFF Subgroup
H01J 19/68

Specified gas introduced into the tube at low pressure, e.g. for reducing or influencing space charge

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of vacuum tubes of the types covered by group > Specified gas introduced into the tube at low pressure, e.g. for reducing or influencing space charge

CPC:

Details of vacuum tubes of the types covered by group H01J21/00 > Specified gas introduced into the tube at low pressure, e.g. for reducing or influencing space charge

No child classifications to compare. This is a leaf node in both IPC and CPC.