OPTICAL INFORMATION RECORDING DISC AND APPARATUS FOR DRIVING THE DISC,申请号US19890330177-传众专利搜索

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发明名称	OPTICAL INFORMATION RECORDING DISC AND APPARATUS FOR DRIVING THE DISC
摘要
申请公布号	US5072438(A)	申请公布日期	1991.12.10
申请号	US19890330177	申请日期	1989.03.29
申请人	HITACHI MAXELL, LTD.;HITACHI, LTD.	发明人	SUZUKI, MASAHIRO;SONOBE, TAKEO;KURANE, KOREAKI;SAITO, AKIRA
分类号	G11B7/24;G11B17/028;G11B23/00	主分类号	G11B7/24
代理机构		代理人
主权项
地址

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