Procédé de transmission de signes télégraphiques par courant alternatif, en particulier au moyen d'un courant porteur,申请号FRD891405-传众专利搜索

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发明名称	Procédé de transmission de signes télégraphiques par courant alternatif, en particulier au moyen d'un courant porteur
摘要
申请公布号	FR891405(A)	申请公布日期	1944.03.07
申请号	FRD891405	申请日期	1943.02.20
申请人	LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	发明人
分类号	H04L27/18	主分类号	H04L27/18
代理机构		代理人
主权项
地址

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