Appareil de projection,申请号FRD855132-传众专利搜索

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发明名称	Appareil de projection
摘要
申请公布号	FR855132(A)	申请公布日期	1940.05.03
申请号	FRD855132	申请日期	1939.05.22
申请人		发明人	KREININE JACOB
分类号	G03B21/08	主分类号	G03B21/08
代理机构		代理人
主权项
地址

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