Appareil de projection,申请号FRD768144-传众专利搜索

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发明名称	Appareil de projection
摘要
申请公布号	FR768144(A)	申请公布日期	1934.07.31
申请号	FRD768144	申请日期	1934.02.05
申请人	SIPRO S. A.	发明人
分类号	G03B21/00	主分类号	G03B21/00
代理机构		代理人
主权项
地址

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