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发明名称	PROJECTOR
摘要
申请公布号	JPH0395538(A)	申请公布日期	1991.04.19
申请号	JP19890233511	申请日期	1989.09.07
申请人	RICOH CO LTD	发明人	OSHIMA HIROKO
分类号	G03B21/132;G03B21/00	主分类号	G03B21/132
代理机构		代理人
主权项
地址

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