SWITCHING TYPE TRI-FOCAL OPTICAL SYSTEM,申请号JP19890150577-传众专利搜索

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发明名称	SWITCHING TYPE TRI-FOCAL OPTICAL SYSTEM
摘要
申请公布号	JPH0317608(A)	申请公布日期	1991.01.25
申请号	JP19890150577	申请日期	1989.06.15
申请人	FUJI PHOTO OPTICAL CO LTD	发明人	ONO KAZUNORI
分类号	G02B15/10;G02B15/16	主分类号	G02B15/10
代理机构		代理人
主权项
地址

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