MASK FOR OPTICAL DISK,申请号KR19880001009-传众专利搜索

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发明名称	MASK FOR OPTICAL DISK
摘要
申请公布号	KR910008502(B1)	申请公布日期	1991.10.18
申请号	KR19880001009	申请日期	1988.02.04
申请人	MITSUBISHI ELECTRIC CO.,LTD.	发明人	SHINTOU KOUCHI;TSUJJIMASHI MASARU
分类号	G11B3/70;G11B7/26;(IPC1-7):G11B7/24	主分类号	G11B3/70
代理机构		代理人
主权项
地址

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