Appareil servant à projeter un texte,申请号FR19660050744-传众专利搜索

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发明名称	Appareil servant à projeter un texte
摘要
申请公布号	FR1469884(A)	申请公布日期	1967.02.17
申请号	FR19660050744	申请日期	1966.02.23
申请人		发明人	GUMPERTZ DONALD GODFREY
分类号	F21V5/04;G09F9/307	主分类号	F21V5/04
代理机构		代理人
主权项
地址

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