CPC Subgroup Additional Only
H01J 2229/0061 Cooling arrangements
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Cooling arrangements
2 direct subcodes
Child Classifications
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- H01J 2229/0069 Active means, e.g. fluid flow
- H01J 2229/0092 Passive means, e.g. fins, heat conductors