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发明名称
Perforated card controlled machine
摘要
申请公布号
US1879529(A)
申请公布日期
1932.09.27
申请号
US19300494607
申请日期
1930.11.10
申请人
THE TABULATING MACHINE COMPANY
发明人
SCHAAFF JOHN THOMAS
分类号
G06K5/00
主分类号
G06K5/00
代理机构
代理人
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地址
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