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经营范围
发明名称
Improvements in or relating to Magnetic Memory Systems.
摘要
申请公布号
GB1169506(A)
申请公布日期
1969.11.05
申请号
GB19680023879
申请日期
1968.05.20
申请人
THE NATIONAL CASH REGISTER COMPANY
发明人
分类号
G11B5/012
主分类号
G11B5/012
代理机构
代理人
主权项
地址
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