Optical system for transparency projection using point light source and compound negative lenses,申请号US19610096055-传众专利搜索

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发明名称	Optical system for transparency projection using point light source and compound negative lenses
摘要
申请公布号	US3135160(A)	申请公布日期	1964.06.02
申请号	US19610096055	申请日期	1961.03.15
申请人	KALUSTYAN BERDJ C	发明人	KALUSTYAN BERDJ C.
分类号	G02B1/00	主分类号	G02B1/00
代理机构		代理人
主权项
地址

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