Nouveau dispositif de condensation de radiations lumineuses ou autres dans les appareils de projection ou autres appareillages,申请号FRD1084716-传众专利搜索

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发明名称	Nouveau dispositif de condensation de radiations lumineuses ou autres dans les appareils de projection ou autres appareillages
摘要
申请公布号	FR1084716(A)	申请公布日期	1955.01.24
申请号	FRD1084716	申请日期	1953.06.12
申请人		发明人	VIGNERON CHARLES;GRENIER GASTON
分类号	G03B21/20	主分类号	G03B21/20
代理机构		代理人
主权项
地址

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