OPTICAL RECORDING AND REPRODUCING DEVICE,申请号JP19890087317-传众专利搜索

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发明名称	OPTICAL RECORDING AND REPRODUCING DEVICE
摘要
申请公布号	JPH02265027(A)	申请公布日期	1990.10.29
申请号	JP19890087317	申请日期	1989.04.06
申请人	RICOH CO LTD	发明人	MAEDA IKUO
分类号	G02B7/28;G11B7/09;(IPC1-7):G11B7/09	主分类号	G02B7/28
代理机构		代理人
主权项
地址

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