IRON NITRIDE,FE4N,AS A MATERIAL FOR MAGNETIC RECORDING AND METHOD OF MANUFACTURING SAME,申请号USD3681018-传众专利搜索

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发明名称	IRON NITRIDE,FE4N,AS A MATERIAL FOR MAGNETIC RECORDING AND METHOD OF MANUFACTURING SAME
摘要
申请公布号	US3681018(A)	申请公布日期	1972.08.01
申请号	USD3681018	申请日期	1970.06.18
申请人	U.S. PHILIPS CORP.	发明人	KARL-GEORG KNAUFF
分类号	C01B21/06;G11B5/64;H01F1/03;(IPC1-7):C01B21/06	主分类号	C01B21/06
代理机构		代理人
主权项
地址

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