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公开(公告)号：US2580052A
公开(公告)日：1951-12-25
申请号：US10098849
申请日：1949-06-24
Applicant: RCA CORP
Inventor： TORRE ALTON J , KIRKWOOD LOREN R
IPC: H03G11/02
CPC classification number: H03G11/02
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