CPC Subgroup Additional Only
H01J 2229/07 Shadow masks
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Shadow masks
5 direct subcodes
Child Classifications
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- H01J 2229/0705 Mounting arrangement of assembly to vessel
- H01J 2229/0716 Mounting arrangements of aperture plate to frame or vessel
- H01J 2229/0722 Frame
- H01J 2229/0727 Aperture plate
- H01J 2229/0794 Geometrical arrangements, e.g. curvature