Système de couplage pour installations à fréquences porteuses multiples,申请号FRD902588-传众专利搜索

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发明名称	Système de couplage pour installations à fréquences porteuses multiples
摘要
申请公布号	FR902588(A)	申请公布日期	1945.09.04
申请号	FRD902588	申请日期	1944.03.11
申请人	LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	发明人
分类号	H04B1/58;H04J1/10	主分类号	H04B1/58
代理机构		代理人
主权项
地址

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