CPC Subgroup Additional Only
H01J 2229/4803 Electrodes
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Electron guns > Electrodes
4 direct subcodes
Child Classifications
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- H01J 2229/4806 Shield centering cups
- H01J 2229/481 Focusing electrodes
- H01J 2229/4817 Accelerating electrodes
- H01J 2229/482 Extraction grids