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经营范围
发明名称
Tabulating machine
摘要
申请公布号
US2159094(A)
申请公布日期
1939.05.23
申请号
US19340718903
申请日期
1934.04.04
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
LIVINGSTON HARRY T.
分类号
主分类号
代理机构
代理人
主权项
地址
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