Perfectionnements aux systèmes téléphoniques automatiques,申请号FRD1190081-传众专利搜索

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发明名称	Perfectionnements aux systèmes téléphoniques automatiques
摘要
申请公布号	FR1190081(A)	申请公布日期	1959.10.09
申请号	FRD1190081	申请日期	1957.11.22
申请人	INTERNATIONAL STANDARD ELECTRIC CORPORATION	发明人	HJERTSTRAND SVANTE LENNART
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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