OPTICAL PICKUP DEVICE,申请号JP19920107593-传众专利搜索

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发明名称	OPTICAL PICKUP DEVICE
摘要
申请公布号	JPH05303748(A)	申请公布日期	1993.11.16
申请号	JP19920107593	申请日期	1992.04.27
申请人	RICOH CO LTD	发明人	HAGITANI TOSHIMICHI
分类号	G11B7/08;(IPC1-7):G11B7/08	主分类号	G11B7/08
代理机构		代理人
主权项
地址

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