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公开(公告)号：US3009989A
公开(公告)日：1961-11-21
申请号：US80352259
申请日：1959-04-01
Applicant: RCA CORP
Inventor： AHRONS RICHARD W , BURNS JR LESLIE L , JOHNSTON LOREN B
IPC: H04N5/57
CPC classification number: H04N5/57
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