CPC Subgroup Additional Only
H01J 2229/8616 characterised by shape
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Vessels and containers > Faceplates > characterised by shape
1 direct subcode
Child Classifications
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- H01J 2229/862 Parameterised shape, e.g. expression, relationship or equation