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发明名称
Column selector
摘要
申请公布号
US3174683(A)
申请公布日期
1965.03.23
申请号
US19630276720
申请日期
1963.04.30
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
SCULLY RICHARD F.
分类号
G06K13/077
主分类号
G06K13/077
代理机构
代理人
主权项
地址
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