Appareil de projection,申请号FRD750979-传众专利搜索

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发明名称	Appareil de projection
摘要
申请公布号	FR750979(A)	申请公布日期	1933.08.24
申请号	FRD750979	申请日期	1932.05.20
申请人		发明人	CASANOVA JEAN;VIREY CHRISTIAN
分类号	G03B21/18	主分类号	G03B21/18
代理机构		代理人
主权项
地址

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