Dispositif d'enregistrement des signaux d'appel,申请号FRD925086-传众专利搜索

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发明名称	Dispositif d'enregistrement des signaux d'appel
摘要
申请公布号	FR925086(A)	申请公布日期	1947.08.25
申请号	FRD925086	申请日期	1946.03.21
申请人	SOCIETE INDEPENDANTE DE TELEGRAPHIE SANS FIL	发明人
分类号	H04L15/26	主分类号	H04L15/26
代理机构		代理人
主权项
地址

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