EXTERNAL MAGNETIC FIELD GENERATING DEVICE FOR OPTICAL MAGNETIC DISK APPARATUS,申请号EP19900310841-传众专利搜索

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发明名称	EXTERNAL MAGNETIC FIELD GENERATING DEVICE FOR OPTICAL MAGNETIC DISK APPARATUS
摘要
申请公布号	EP0421768(A3)	申请公布日期	1992.09.09
申请号	EP19900310841	申请日期	1990.10.04
申请人	NIKON CORPORATION	发明人	KAWAI, TOSHIHIKO
分类号	G11B11/10;G11B5/02;G11B11/105;(IPC1-7):G11B11/10	主分类号	G11B11/10
代理机构		代理人
主权项
地址

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