Method and apparatus for duplicating magnetic recordings and magnetic tape record members,申请号US19480034328-传众专利搜索

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发明名称	Method and apparatus for duplicating magnetic recordings and magnetic tape record members
摘要
申请公布号	US2738383(A)	申请公布日期	1956.03.13
申请号	US19480034328	申请日期	1948.06.21
申请人	MINNESOTA MINING & MANUFACTURING COMPANY	发明人	HERR ROBERT;MARCHANT REYNOLDS
分类号	G11B5/86	主分类号	G11B5/86
代理机构		代理人
主权项
地址

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