Perfectionnements aux réseaux de commutation, notamment pour systèmes téléphoniques,申请号FRD1116827-传众专利搜索

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发明名称	Perfectionnements aux réseaux de commutation, notamment pour systèmes téléphoniques
摘要
申请公布号	FR1116827(A)	申请公布日期	1956.05.14
申请号	FRD1116827	申请日期	1954.11.30
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人
分类号	H03K17/52;H04Q3/52	主分类号	H03K17/52
代理机构		代理人
主权项
地址

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