Procédé d'utilisation du verre catathermique pour la constitution d'éléments optiques dans un appareil de projection,申请号FRD1039753-传众专利搜索

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发明名称	Procédé d'utilisation du verre catathermique pour la constitution d'éléments optiques dans un appareil de projection
摘要
申请公布号	FR1039753(A)	申请公布日期	1953.10.09
申请号	FRD1039753	申请日期	1951.07.11
申请人	LES EDITIONS FILMEES	发明人
分类号	G03B21/16	主分类号	G03B21/16
代理机构		代理人
主权项
地址

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