Système perfectionné de signalisation électrique,申请号FRD1143154-传众专利搜索

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发明名称	Système perfectionné de signalisation électrique
摘要
申请公布号	FR1143154(A)	申请公布日期	1957.09.27
申请号	FRD1143154	申请日期	1955.11.23
申请人	SOCIETE D'ELECTRONIQUE ET D'AUTOMATISME	发明人	OULES MICHEL-LOUIS
分类号	G08B3/10	主分类号	G08B3/10
代理机构		代理人
主权项
地址

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