Perfectionnements aux systèmes pour bureaux centraux téléphoniques du type automatique, ou semi-automatique, ou autres bureaux analogues,申请号FRD766530-传众专利搜索

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发明名称	Perfectionnements aux systèmes pour bureaux centraux téléphoniques du type automatique, ou semi-automatique, ou autres bureaux analogues
摘要
申请公布号	FR766530(A)	申请公布日期	1934.06.29
申请号	FRD766530	申请日期	1933.03.27
申请人	LE MATERIEL TELEPHONIQUE SOCIETE ANONYME	发明人
分类号	H04Q3/58	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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