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发明名称
Magnetic storage devices
摘要
申请公布号
US3138790(A)
申请公布日期
1964.06.23
申请号
US19590848307
申请日期
1959.10.23
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
TRIMBLE CEBERN B.
分类号
G06F3/02;G11B5/004;G11B5/76;G11B27/32
主分类号
G06F3/02
代理机构
代理人
主权项
地址
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