Improvements in or relating to magnetisable iron oxides,申请号GB19510009994-传众专利搜索

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发明名称	Improvements in or relating to magnetisable iron oxides
摘要
申请公布号	GB701224(A)	申请公布日期	1953.12.23
申请号	GB19510009994	申请日期	1951.04.28
申请人	ELECTRIC & MUSICAL INDUSTRIES LIMITED	发明人	SOBY WILLIAM
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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