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发明名称
CALCULATING MACHINE
摘要
申请公布号
CA405297(A)
申请公布日期
1942.06.09
申请号
CAD405297
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
JAMES W. BRYCE;ARTHUR H. DICKINSON
分类号
主分类号
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