Optical head with reduced aberration,申请号US19910641261-传众专利搜索

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法人/股东/高管

发明名称	Optical head with reduced aberration
摘要
申请公布号	US5270997(A)	申请公布日期	1993.12.14
申请号	US19910641261	申请日期	1991.01.15
申请人	SHARP KABUSHIKI KAISHA	发明人	KATAYAMA, HIROSHI
分类号	G11B7/09;G11B7/12;G11B7/125;G11B7/135;(IPC1-7):G11B7/00	主分类号	G11B7/09
代理机构		代理人
主权项
地址

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