CPC Subgroup Additional Only
H01J 2229/0007 Elimination of unwanted or stray electromagnetic effects
Full Title
Details of cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > Elimination of unwanted or stray electromagnetic effects
3 direct subcodes
Child Classifications
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- H01J 2229/0015 Preventing or cancelling fields leaving the enclosure
- H01J 2229/003 Preventing or cancelling fields entering the enclosure
- H01J 2229/0046 Preventing or cancelling fields within the enclosure