An improved carrier current communication system,申请号GB19410015038-传众专利搜索

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发明名称	An improved carrier current communication system
摘要
申请公布号	GB552179(A)	申请公布日期	1943.03.25
申请号	GB19410015038	申请日期	1941.11.21
申请人	RADIO GRAMOPHONE DEVELOPMENT COMPANY, LIMITED;HORACE FOLEY DUFFELL	发明人
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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