System for the transmission of signals with modulated carrier currents,申请号GB19290009601-传众专利搜索

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发明名称	System for the transmission of signals with modulated carrier currents
摘要
申请公布号	GB311318(A)	申请公布日期	1930.06.25
申请号	GB19290009601	申请日期	1929.03.25
申请人	SIEMENS & HALSKE AKTIEN-GESELLSCHAFT	发明人
分类号	H04B3/14	主分类号	H04B3/14
代理机构		代理人
主权项
地址

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