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公开(公告)号：US2794087A
公开(公告)日：1957-05-28
申请号：US51449655
申请日：1955-06-10
Applicant: JENNINGS RADIO MFG CORP
Inventor： EMMETT JONNINGS JO , TILMAN TED N
IPC: H01P1/12
CPC classification number: H01P1/125
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