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PCE
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CPC Subgroup Additional Only
H01J 2231/125

with a plurality of electron guns within the tube envelope

Full Title

Cathode ray tubes or electron beam tubes (H01J2329/00 takes precedence) > CRTs having luminescent screens > with a plurality of electron guns within the tube envelope

1 direct subcode

Child Classifications

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  • H01J 2231/1255 two or more neck portions containing one or more guns