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公开(公告)号：US2411765A
公开(公告)日：1946-11-26
申请号：US47653643
申请日：1943-02-20
Applicant: RCA CORP
Inventor： GEORGE USSELMAN , HANSELL CLARENCE W
IPC: H03B5/34
CPC classification number: H03B5/34
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