PRODUCTION OF MAGNETIC DISK SUBSTRATE,申请号JP19900022617-传众专利搜索

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发明名称	PRODUCTION OF MAGNETIC DISK SUBSTRATE
摘要
申请公布号	JPH03228222(A)	申请公布日期	1991.10.09
申请号	JP19900022617	申请日期	1990.01.31
申请人	NEC CORP	发明人	HASEGAWA AKIHIRO
分类号	G11B5/84	主分类号	G11B5/84
代理机构		代理人
主权项
地址

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