UN METODO DE PRODUCIR UN MATERIAL PARA IMAN PERMANENTE.,申请号ES19650003500-传众专利搜索

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发明名称	UN METODO DE PRODUCIR UN MATERIAL PARA IMAN PERMANENTE.
摘要
申请公布号	ES350065(A3)	申请公布日期	1969.04.16
申请号	ES19650003500	申请日期	1968.02.02
申请人	MINNESOTA MINING AND MANUFACTURING	发明人
分类号	H01F;(IPC1-7):01F/	主分类号	H01F
代理机构		代理人
主权项
地址

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