BEAM EXPANDER AND OPTICAL MASTER DISK EXPOSING DEVICE,申请号JP19910138990-传众专利搜索

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发明名称	BEAM EXPANDER AND OPTICAL MASTER DISK EXPOSING DEVICE
摘要
申请公布号	JPH04362547(A)	申请公布日期	1992.12.15
申请号	JP19910138990	申请日期	1991.06.11
申请人	RICOH CO LTD	发明人	MIZUTA OSAMU
分类号	G02B27/09;G02B27/00;G11B7/26	主分类号	G02B27/09
代理机构		代理人
主权项
地址

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