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公开(公告)号：US2932803A
公开(公告)日：1960-04-12
申请号：US69099657
申请日：1957-10-18
Applicant: RCA CORP
Inventor： SPIEGEL STANLEY S , THOMPSON LELAND E
IPC: H03C3/14
CPC classification number: H03C3/14
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