Magnetic recorder with friction drive device incorporatied within the magazine,申请号US19450585545-传众专利搜索

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发明名称	Magnetic recorder with friction drive device incorporatied within the magazine
摘要
申请公布号	US2457699(A)	申请公布日期	1948.12.28
申请号	US19450585545	申请日期	1945.03.29
申请人	LEAR, INCORPORATED	发明人	MARSEN RICHARD A.
分类号	G11B15/18;G11B15/44	主分类号	G11B15/18
代理机构		代理人
主权项
地址

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