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公开(公告)号：US3212532A
公开(公告)日：1965-10-19
申请号：US25961763
申请日：1963-02-19
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： ANDREW SZILASI , GOLIARDO MIALE
IPC: H01J19/00
CPC classification number: H01J19/00 , H01J2893/0026
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