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发明名称
Tabulating machine
摘要
申请公布号
US2036024(A)
申请公布日期
1936.03.31
申请号
US19330704769
申请日期
1933.12.30
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
DALY GEORGE F.
分类号
主分类号
代理机构
代理人
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