CPC Subgroup Additional Only
H01J 2229/48 Electron guns
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Electron guns
5 direct subcodes
Child Classifications
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- H01J 2229/4803 Electrodes
- H01J 2229/4824 Constructional arrangements of electrodes
- H01J 2229/4834 Electrical arrangements coupled to electrodes, e.g. potentials
- H01J 2229/4844 characterised by beam passing apertures or combinations
- H01J 2229/50 Plurality of guns or beams