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经营范围
发明名称
Tabulating machine
摘要
申请公布号
US1757123(A)
申请公布日期
1930.05.06
申请号
US19250006981
申请日期
1925.02.05
申请人
THE TABULATING MACHINE COMPANY
发明人
LAKE CLAIR D.;PAGE RALPH E.
分类号
主分类号
代理机构
代理人
主权项
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