ENHANCED FOCUS SENSING IN OPTICAL INFORMATION STORAGE SYSTEMS,申请号EP19900125033-传众专利搜索

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发明名称	ENHANCED FOCUS SENSING IN OPTICAL INFORMATION STORAGE SYSTEMS
摘要
申请公布号	EP0440963(A3)	申请公布日期	1992.10.07
申请号	EP19900125033	申请日期	1990.12.20
申请人	HEWLETT-PACKARD COMPANY	发明人	MARSHALL, DANIEL R.
分类号	G02B7/28;G11B7/09;G11B7/13;G11B11/10;G11B11/105;(IPC1-7):G11B7/13	主分类号	G02B7/28
代理机构		代理人
主权项
地址

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