Magnetic materials and process of preparation,申请号US19680698350-传众专利搜索

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发明名称	Magnetic materials and process of preparation
摘要
申请公布号	US3399957(A)	申请公布日期	1968.09.03
申请号	US19680698350	申请日期	1968.01.16
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	SHAFER MERRILL W.
分类号	H01F1/03	主分类号	H01F1/03
代理机构		代理人
主权项
地址

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