Nouveau dispositif de sécurité pour systèmes de télécommunications,申请号FR19590814299-传众专利搜索

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发明名称	Nouveau dispositif de sécurité pour systèmes de télécommunications
摘要
申请公布号	FR1253287(A)	申请公布日期	1961.02.10
申请号	FR19590814299	申请日期	1959.12.29
申请人	COMPAGNIE INDUSTRIELLE DES TELEPHONES	发明人	HURAULT JEAN-LOUIS
分类号	H04B1/74	主分类号	H04B1/74
代理机构		代理人
主权项
地址

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