OPTICAL PROJECTION SYSTEMS WITH FACETTED CORRECTION LENS FOR MINIMIZING KEYSTONING OF OFF-AXIS PROJECTORS,申请号CAD689120-传众专利搜索

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发明名称	OPTICAL PROJECTION SYSTEMS WITH FACETTED CORRECTION LENS FOR MINIMIZING KEYSTONING OF OFF-AXIS PROJECTORS
摘要
申请公布号	CA689120(A)	申请公布日期	1964.06.23
申请号	CAD689120	申请日期
申请人	HARRIES ELECTRONICS CORPORATION LIMITED	发明人	JOHN H. O. HARRIES;WALTER T. WELFORD
分类号		主分类号
代理机构		代理人
主权项
地址

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