Optical information medium with sample mark area and multiple transcription prevention,申请号US19880153004-传众专利搜索

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发明名称	Optical information medium with sample mark area and multiple transcription prevention
摘要
申请公布号	US4991163(A)	申请公布日期	1991.02.05
申请号	US19880153004	申请日期	1988.02.08
申请人	HITACHI, LTD.	发明人	TOKUSHUKU, NOBUHIRO;YANAGIHARA, HITOSHI;HAZAMA, KATASHI;YOSHII, MASAKI;EBINUMA, NAOTAKE
分类号	G11B7/00;G11B7/004;G11B7/007;G11B7/09;G11B7/24;G11B7/26	主分类号	G11B7/00
代理机构		代理人
主权项
地址

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