Perfectionnements aux appareils d'éclairage du type sans ombre portée,申请号FRD1109510-传众专利搜索

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发明名称	Perfectionnements aux appareils d'éclairage du type sans ombre portée
摘要
申请公布号	FR1109510(A)	申请公布日期	1956.01.30
申请号	FRD1109510	申请日期	1954.07.28
申请人	ANCIENS ETABLISSEMENTS BARBIER, BENARD & TURENNE	发明人
分类号	F21S8/00	主分类号	F21S8/00
代理机构		代理人
主权项
地址

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