VARIABLE MAGNIFICATION LENS SYSTEM USING SYMMETRIC LENS OF VARIABLE FOCAL LENGTH,申请号US19740466601-传众专利搜索

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发明名称	VARIABLE MAGNIFICATION LENS SYSTEM USING SYMMETRIC LENS OF VARIABLE FOCAL LENGTH
摘要
申请公布号	US4037937(A)	申请公布日期	1977.07.26
申请号	US19740466601	申请日期	1974.05.03
申请人	CANON KABUSHIKI KAISHA	发明人	MINOURA, KAZUO
分类号	G02B13/24;G02B15/00;(IPC1-7):G02B15/16	主分类号	G02B13/24
代理机构		代理人
主权项
地址

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