OPTICAL PICKUP DEVICE,申请号JP19920348800-传众专利搜索

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发明名称	OPTICAL PICKUP DEVICE
摘要
申请公布号	JPH06203399(A)	申请公布日期	1994.07.22
申请号	JP19920348800	申请日期	1992.12.28
申请人	RICOH CO LTD	发明人	UGA TAKAHITO
分类号	G11B7/085;G11B7/09;(IPC1-7):G11B7/09	主分类号	G11B7/085
代理机构		代理人
主权项
地址

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