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发明名称
Centralizing device
摘要
申请公布号
US2339089(A)
申请公布日期
1944.01.11
申请号
US19420442604
申请日期
1942.05.12
申请人
MARCHANT CALCULATING MACHINE COMPANY
发明人
MARTIN MARVIN D.;SNELL KENNETH A.
分类号
G06C23/04
主分类号
G06C23/04
代理机构
代理人
主权项
地址
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