Perfectionnements apportés aux procédés et aux appareils de signalisation,申请号FRD713828-传众专利搜索

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发明名称	Perfectionnements apportés aux procédés et aux appareils de signalisation
摘要
申请公布号	FR713828(A)	申请公布日期	1931.11.03
申请号	FRD713828	申请日期	1931.03.25
申请人	COMPAGNIE FRANCAISE POUR L'EXPLOITATION DES PROCEDES THOMSON-HOUSTON	发明人
分类号	G08B5/02	主分类号	G08B5/02
代理机构		代理人
主权项
地址

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