Appareil de projection, en particulier pour microdiapositifs documentaires,申请号FRD1016853-传众专利搜索

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发明名称	Appareil de projection, en particulier pour microdiapositifs documentaires
摘要
申请公布号	FR1016853(A)	申请公布日期	1952.11.25
申请号	FRD1016853	申请日期	1950.04.28
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	G03B21/11	主分类号	G03B21/11
代理机构		代理人
主权项
地址

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