CPC Subgroup Additional Only
H01J 2229/4824 Constructional arrangements of electrodes
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Electron guns > Constructional arrangements of electrodes
2 direct subcodes
Child Classifications
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- H01J 2229/4827 Electrodes formed on surface of common cylindrical support
- H01J 2229/4831 Electrode supports