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公开(公告)号：US3041494A
公开(公告)日：1962-06-26
申请号：US80184659
申请日：1959-03-25
Applicant: RCA CORP
Inventor： LOUGH MERLIN E , CURRY DEAN L
IPC: H01J21/02
CPC classification number: H01J21/02
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