CPC Subgroup Additional Only
H01J 2229/0733 characterised by the material
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Shadow masks > Aperture plate > characterised by the material
H01J 2229/0733 Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Shadow masks > Aperture plate > characterised by the material