Multiple frequency communication system,申请号US19510254736-传众专利搜索

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发明名称	Multiple frequency communication system
摘要
申请公布号	US2771545(A)	申请公布日期	1956.11.20
申请号	US19510254736	申请日期	1951.11.03
申请人	COLLINS RADIO COMPANY	发明人	DOELZ MELVIN L.
分类号	H04L27/26	主分类号	H04L27/26
代理机构		代理人
主权项
地址

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