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发明名称
Tabulating machine
摘要
申请公布号
US1780621(A)
申请公布日期
1930.11.04
申请号
US19290412262
申请日期
1929.12.06
申请人
REMINGTON RAND INCORPORATED
发明人
LASKER WILLIAM W.
分类号
主分类号
代理机构
代理人
主权项
地址
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