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发明名称
Data storage devices
摘要
申请公布号
US2890439(A)
申请公布日期
1959.06.09
申请号
US19560604992
申请日期
1956.08.20
申请人
THE BRITISH TABULATING MACHINE COMPANY LIMITED
发明人
BIRD RAYMOND;TAYLOR BRIAN
分类号
G11C11/28
主分类号
G11C11/28
代理机构
代理人
主权项
地址
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