Nouveau dispositif permettant la visibilité des signaux lumineux à travers le brouillard,申请号FRD681824-传众专利搜索

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发明名称	Nouveau dispositif permettant la visibilité des signaux lumineux à travers le brouillard
摘要
申请公布号	FR681824(A)	申请公布日期	1930.05.20
申请号	FRD681824	申请日期	1929.09.16
申请人		发明人	DELATTRE AUGUSTE
分类号	F21V5/00	主分类号	F21V5/00
代理机构		代理人
主权项
地址

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