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PCE
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DIFF Subgroup
H01J 29/16

Incandescent screens

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 > Screens on, or from, which an image or pattern is formed, picked-up, converted, or stored > Incandescent screens

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 > Screens on or from which an image or pattern is formed, picked up, converted or stored > Incandescent screens

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