Systèmes de bureaux centraux de télécommunications,申请号FRD985238-传众专利搜索

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发明名称	Systèmes de bureaux centraux de télécommunications
摘要
申请公布号	FR985238(A)	申请公布日期	1951.07.16
申请号	FRD985238	申请日期	1949.04.26
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	WRIGHT ESMAND PHILIP GOODWIN
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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