LENS FOR READING ORIGINAL,申请号JP19900259862-传众专利搜索

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发明名称	LENS FOR READING ORIGINAL
摘要
申请公布号	JPH04136909(A)	申请公布日期	1992.05.11
申请号	JP19900259862	申请日期	1990.09.28
申请人	RICOH CO LTD	发明人	NISHINA KIICHIRO;HARADA NAOMI;OHASHI KAZUYASU
分类号	G02B13/18;G02B13/24	主分类号	G02B13/18
代理机构		代理人
主权项
地址

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