Improvements in or relating to magnetic recording tapes,申请号GB19510003892-传众专利搜索

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发明名称	Improvements in or relating to magnetic recording tapes
摘要
申请公布号	GB700514(A)	申请公布日期	1953.12.02
申请号	GB19510003892	申请日期	1951.02.17
申请人	ELECTRIC AND MUSICAL INDUSTRIES LIMITED	发明人	WOOLER JOHN
分类号	G11B5/708	主分类号	G11B5/708
代理机构		代理人
主权项
地址

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