Réseau de commutation de communications,申请号FRD1176819-传众专利搜索

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发明名称	Réseau de commutation de communications
摘要
申请公布号	FR1176819(A)	申请公布日期	1959.04.16
申请号	FRD1176819	申请日期	1957.06.20
申请人	WESTERN ELECTRIC COMPANY, INCORPORATED	发明人
分类号	H04Q3/52	主分类号	H04Q3/52
代理机构		代理人
主权项
地址

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