Perfectionnements aux systèmes de communications multiplex,申请号FRD789097-传众专利搜索

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发明名称	Perfectionnements aux systèmes de communications multiplex
摘要
申请公布号	FR789097(A)	申请公布日期	1935.10.22
申请号	FRD789097	申请日期	1934.07.25
申请人	SOCIETE FRANCAISE RADIOELECTRIQUE	发明人
分类号	H04J1/00	主分类号	H04J1/00
代理机构		代理人
主权项
地址

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