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发明名称	OPTICAL DISK DEVICE
摘要
申请公布号	JPH0434735(A)	申请公布日期	1992.02.05
申请号	JP19900140885	申请日期	1990.05.30
申请人	RICOH CO LTD	发明人	FUJIWARA YASUHIDE
分类号	G11B7/09	主分类号	G11B7/09
代理机构		代理人
主权项
地址

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