Cathodes

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group > Electrodes; Screens; Mounting, supporting, spacing, or insulating thereof > Cathodes

CPC:

Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00 > Electrodes; Screens; Mounting, supporting, spacing or insulating thereof > Cathodes

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