,申请号FR19690030677-传众专利搜索

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发明名称
摘要
申请公布号	FR2019640(A1)	申请公布日期	1970.07.03
申请号	FR19690030677	申请日期	1969.09.02
申请人	IBM	发明人
分类号	H01F10/16;H01F10/14;H01F41/14;(IPC1-7):G11B5/00	主分类号	H01F10/16
代理机构		代理人
主权项
地址

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