Feu avertisseur pour signaler les endroits dangereux sur les voies de circulation,申请号FRD1115296-传众专利搜索

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发明名称	Feu avertisseur pour signaler les endroits dangereux sur les voies de circulation
摘要
申请公布号	FR1115296(A)	申请公布日期	1956.04.23
申请号	FRD1115296	申请日期	1954.12.09
申请人		发明人	SPETHMANN OTTO
分类号	E01F9/06;G08G1/095	主分类号	E01F9/06
代理机构		代理人
主权项
地址

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