Oxyde de chrome ferromagnétique et procédé pour le préparer,申请号FRD1154191-传众专利搜索

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发明名称	Oxyde de chrome ferromagnétique et procédé pour le préparer
摘要
申请公布号	FR1154191(A)	申请公布日期	1958.04.03
申请号	FRD1154191	申请日期	1956.06.13
申请人	E. I. DU PONT DE NEMOURS AND COMPANY	发明人
分类号	G11B5/706	主分类号	G11B5/706
代理机构		代理人
主权项
地址

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