Perfectionnements aux autocommutateurs téléphoniques,申请号FR19670104648-传众专利搜索

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发明名称	Perfectionnements aux autocommutateurs téléphoniques
摘要
申请公布号	FR1535496(A)	申请公布日期	1968.08.09
申请号	FR19670104648	申请日期	1967.04.28
申请人		发明人	LUCAS PIERRE;DONDOUX JACQUES;DUQUESNE JEAN
分类号	H04Q3/545	主分类号	H04Q3/545
代理机构		代理人
主权项
地址

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