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公开(公告)号：US2113136A
公开(公告)日：1938-04-05
申请号：US6201736
申请日：1936-02-03
Applicant: RCA CORP
Inventor： HANSELL CLARENCE W , PORT JEFFERSON , LINDENBLAD NILS E
IPC: H01Q21/10
CPC classification number: H01Q21/10
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