Perfectionnements aux systèmes téléphoniques et notamment aux sys tèmes téléphoniques comportant des lignes communes ou lignes partagées,申请号FRD812050-传众专利搜索

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发明名称	Perfectionnements aux systèmes téléphoniques et notamment aux sys tèmes téléphoniques comportant des lignes communes ou lignes partagées
摘要
申请公布号	FR812050(A)	申请公布日期	1937.04.28
申请号	FRD812050	申请日期	1936.05.25
申请人	LE MATERIEL TELEPHONIQUE	发明人
分类号	H04Q5/08	主分类号	H04Q5/08
代理机构		代理人
主权项
地址

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