Perfectionnements à la transmission d'impulsions de courant continu dans les systèmes téléphoniques, télégraphiques, de commande à distance ou autres systèmes analogues,申请号FRD761215-传众专利搜索

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发明名称	Perfectionnements à la transmission d'impulsions de courant continu dans les systèmes téléphoniques, télégraphiques, de commande à distance ou autres systèmes analogues
摘要
申请公布号	FR761215(A)	申请公布日期	1934.03.14
申请号	FRD761215	申请日期	1932.12.15
申请人	LE MATERIEL TELEPHONIQUE, SOCIETE ANONYME	发明人
分类号	H04Q1/36	主分类号	H04Q1/36
代理机构		代理人
主权项
地址

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