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发明名称
COMBINATION OF CARD CONTROLLING MACHINES
摘要
申请公布号
CA486912(A)
申请公布日期
1952.09.30
申请号
CAD486912
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
JONAS E. DAYGER;ORVILLE B. SHAFER;ALVIN E. GRAY
分类号
主分类号
代理机构
代理人
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