Magnetic recording and reproducing head,申请号US19510217646-传众专利搜索

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发明名称	Magnetic recording and reproducing head
摘要
申请公布号	US2632816(A)	申请公布日期	1953.03.24
申请号	US19510217646	申请日期	1951.03.26
申请人	STROMBERG-CARLSON COMPANY	发明人	GRATIAN JOSEPH W.
分类号	G11B5/235	主分类号	G11B5/235
代理机构		代理人
主权项
地址

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