APPARATUS FOR OPTICAL DISC MEMORY WITH CORRECTION PATTERN AND MASTER DISC CUTTING APPARATUS,申请号US19900551025-传众专利搜索

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发明名称	APPARATUS FOR OPTICAL DISC MEMORY WITH CORRECTION PATTERN AND MASTER DISC CUTTING APPARATUS
摘要
申请公布号	US5084860(A)	申请公布日期	1992.01.28
申请号	US19900551025	申请日期	1990.07.11
申请人	HITACHI LTD.	发明人	MAEDA, TAKESHI;TSUNODA, YOSHITO;SHIGEMATSU, KAZUO;KAKU, TOSHIMITSU
分类号	G11B7/007;G11B7/09;G11B7/26;G11B11/105	主分类号	G11B7/007
代理机构		代理人
主权项
地址

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