OPTICAL HEAD AND DISK DRIVING DEVICE,申请号JP19900263195-传众专利搜索

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发明名称	OPTICAL HEAD AND DISK DRIVING DEVICE
摘要
申请公布号	JPH04141830(A)	申请公布日期	1992.05.15
申请号	JP19900263195	申请日期	1990.10.02
申请人	RICOH CO LTD	发明人	OKAMOTO AKIHIKO
分类号	G11B7/085;G11B7/14;G11B17/04	主分类号	G11B7/085
代理机构		代理人
主权项
地址

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