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公开(公告)号：US3041495A
公开(公告)日：1962-06-26
申请号：US83744959
申请日：1959-09-01
Applicant: RCA CORP
Inventor： BERWYN KNIGHT MARK , JOSEPH THOMPSON JOHN
IPC: H01J19/38
CPC classification number: H01J19/38 , H01J2893/0017
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