Optical projection screen unit,申请号GB19600031880-传众专利搜索

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发明名称	Optical projection screen unit
摘要
申请公布号	GB953086(A)	申请公布日期	1964.03.25
申请号	GB19600031880	申请日期	1960.09.15
申请人	ARTUR FISCHER	发明人
分类号	G03B21/58	主分类号	G03B21/58
代理机构		代理人
主权项
地址

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