DIFF Subgroup
H01J 1/05 characterised by material
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps > Main electrodes > Liquid electrodes, e.g. liquid cathode > characterised by material
CPC:
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps (details of electron-optical or ion-optical arrangements H01J3/00) > Main electrodes > Liquid electrodes, e.g. liquid cathode > characterised by material
No child classifications to compare. This is a leaf node in both IPC and CPC.