METHOD OF AND DEVICE FOR DEMAGNETIZING MAGNETIC RECORDING MEDIUM,申请号US19900549272-传众专利搜索

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发明名称	METHOD OF AND DEVICE FOR DEMAGNETIZING MAGNETIC RECORDING MEDIUM
摘要
申请公布号	US5053893(A)	申请公布日期	1991.10.01
申请号	US19900549272	申请日期	1990.07.06
申请人	FUJI PHOTO FILM CO., LTD.	发明人	HAYATA, YOUICHI;MATSUI, MICHIHIRO
分类号	G11B5/024	主分类号	G11B5/024
代理机构		代理人
主权项
地址

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