Feu de signal,申请号FRD708432-传众专利搜索

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发明名称	Feu de signal
摘要
申请公布号	FR708432(A)	申请公布日期	1931.07.23
申请号	FRD708432	申请日期	1930.12.27
申请人	ETABLISSEMENTS GOUY & LANTIER	发明人
分类号	B61L5/18	主分类号	B61L5/18
代理机构		代理人
主权项
地址

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