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发明名称
Comparator
摘要
申请公布号
US2905931(A)
申请公布日期
1959.09.22
申请号
US19550485919
申请日期
1955.02.03
申请人
UNDERWOOD CORPORATION
发明人
LUBKIN SAMUEL
分类号
G06F7/02;H03K19/16
主分类号
G06F7/02
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