Carrier-wave telephony over power lines,申请号US19230670511-传众专利搜索

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发明名称	Carrier-wave telephony over power lines
摘要
申请公布号	US1765480(A)	申请公布日期	1930.06.24
申请号	US19230670511	申请日期	1923.10.24
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人	BODDIE CLARENCE A.
分类号	H04B3/54	主分类号	H04B3/54
代理机构		代理人
主权项
地址

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