Procédé pour le changement des diapositives en regard de la fenêtre de projection, et lanterne de projection pour la mise en oeuvre de ce procédé,申请号FR19670108429-传众专利搜索

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发明名称	Procédé pour le changement des diapositives en regard de la fenêtre de projection, et lanterne de projection pour la mise en oeuvre de ce procédé
摘要
申请公布号	FR1524852(A)	申请公布日期	1968.05.10
申请号	FR19670108429	申请日期	1967.05.30
申请人	MEOPTA NARODNI PODNIK	发明人
分类号	G03B23/00;G03B23/04	主分类号	G03B23/00
代理机构		代理人
主权项
地址

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