Magnetic disc data storage device,申请号US19520265254-传众专利搜索

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发明名称	Magnetic disc data storage device
摘要
申请公布号	US2750579(A)	申请公布日期	1956.06.12
申请号	US19520265254	申请日期	1952.01.07
申请人	NORTH AMERICAN AVIATION, INC.	发明人	LEKAS JOHN P.;KILPATRICK LESTER L.
分类号	G11B5/00;G11B5/127;G11B5/49;G11B5/82	主分类号	G11B5/00
代理机构		代理人
主权项
地址

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