Appareil de projection diascopique et épiscopique,申请号FRD858867-传众专利搜索

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发明名称	Appareil de projection diascopique et épiscopique
摘要
申请公布号	FR858867(A)	申请公布日期	1940.12.05
申请号	FRD858867	申请日期	1939.08.08
申请人		发明人	CERONI LEONARDO
分类号	G03B21/06	主分类号	G03B21/06
代理机构		代理人
主权项
地址

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