Wired radio broadcasting system,申请号US19310541769-传众专利搜索

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发明名称	Wired radio broadcasting system
摘要
申请公布号	US1945629(A)	申请公布日期	1934.02.06
申请号	US19310541769	申请日期	1931.06.03
申请人	WIRED RADIO, INC.	发明人	JR. ROBERT D. DUNCAN,
分类号	H04H20/84	主分类号	H04H20/84
代理机构		代理人
主权项
地址

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