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公开(公告)号：US3280452A
公开(公告)日：1966-10-25
申请号：US32616163
申请日：1963-11-26
Applicant: RCA CORP
Inventor： MERRITT GEORGE I
IPC: H01J9/08
CPC classification number: H01J9/08 , Y10T29/49082
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