Installation d'échange de télégrammes imprimés,申请号FRD717377-传众专利搜索

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发明名称	Installation d'échange de télégrammes imprimés
摘要
申请公布号	FR717377(A)	申请公布日期	1932.01.07
申请号	FRD717377	申请日期	1931.05.12
申请人	INTERNATIONAL COMMUNICATIONS LABORATORIES INC.	发明人
分类号	H04L12/04	主分类号	H04L12/04
代理机构		代理人
主权项
地址

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