METHOD OF PRODUCING SUBSTRATES FOR MAGNETIC DISKS,申请号EP19900906371-传众专利搜索

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发明名称	METHOD OF PRODUCING SUBSTRATES FOR MAGNETIC DISKS
摘要
申请公布号	EP0426867(A4)	申请公布日期	1992.01.02
申请号	EP19900906371	申请日期	1990.04.26
申请人	NIPPON SHEET GLASS CO., LTD.	发明人	SONO, KENZOU NIPPON SHEET GLASS CO., LTD.;OKUDA, EIJI NIPPON SHEET GLASS CO., LTD.;OIKAWA, MASAHIRO NIPPON SHEET GLASS CO., LTD.;KAWAKITA, SHINYA NIPPON SHEET GLASS CO., LTD.
分类号	G11B5/82;G11B5/73;G11B5/84;(IPC1-7):G11B5/84;B29D17/00	主分类号	G11B5/82
代理机构		代理人
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