DIFF Subgroup
H01J 29/90 Leading-in arrangements; Seals therefor
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 > Leading-in arrangements; Seals therefor
CPC:
Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00 > Leading-in arrangements; Seals therefor
No child classifications to compare. This is a leaf node in both IPC and CPC.