CPC Subgroup Additional Only
H01J 2229/88 Coatings
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Coatings
3 direct subcodes
Child Classifications
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- H01J 2229/882 having particular electrical resistive or conductive properties
- H01J 2229/885 having particular electrical insulation properties
- H01J 2229/887 having particular X-ray shielding properties