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公开(公告)号：US1835126A
公开(公告)日：1931-12-08
申请号：US398025
申请日：1925-01-22
Applicant: FOREST RADIO COMPANY DE
Inventor： WEAGANT ROY A , SOMERSALO GEORGE A
IPC: H04B15/06
CPC classification number: H04B15/06
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