Capteur de sons avertisseur pour véhicules routiers,申请号FRD765863-传众专利搜索

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发明名称	Capteur de sons avertisseur pour véhicules routiers
摘要
申请公布号	FR765863(A)	申请公布日期	1934.06.18
申请号	FRD765863	申请日期	1933.12.21
申请人		发明人	MARECHAL EMILE
分类号	G08B5/36	主分类号	G08B5/36
代理机构		代理人
主权项
地址

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