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发明名称
Accounting machine
摘要
申请公布号
US1914285(A)
申请公布日期
1933.06.13
申请号
US19300426582
申请日期
1930.02.07
申请人
THE TABULATING MACHINE COMPANY
发明人
PEIRCE JOHN ROYDEN
分类号
主分类号
代理机构
代理人
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地址
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