Perfectionnement aux procédés de signalisation sur circuits téléphoniques,申请号FRD976011-传众专利搜索

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发明名称	Perfectionnement aux procédés de signalisation sur circuits téléphoniques
摘要
申请公布号	FR976011(A)	申请公布日期	1951.03.13
申请号	FRD976011	申请日期	1948.09.28
申请人	SOCIETE ANONYME DE TELECOMMUNICATIONS	发明人	LEBEDINSKY MYRON
分类号	H04Q1/446	主分类号	H04Q1/446
代理机构		代理人
主权项
地址

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