Improvements in or relating to magnetic recording and reproducing devices,申请号GB19510003684-传众专利搜索

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发明名称	Improvements in or relating to magnetic recording and reproducing devices
摘要
申请公布号	GB683513(A)	申请公布日期	1952.11.26
申请号	GB19510003684	申请日期	1951.02.15
申请人	WESTERN ELECTRIC COMPANY	发明人
分类号	G11B5/187	主分类号	G11B5/187
代理机构		代理人
主权项
地址

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