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公开(公告)号：US2902546A
公开(公告)日：1959-09-01
申请号：US42485854
申请日：1954-04-22
Applicant: RCA CORP
Inventor： ALBERT HOROWITZ LEOPOLD , HERMELING JR GILBERT C
IPC: H03F1/16
CPC classification number: H03F1/16
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