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发明名称
RECORD PERFORATING MACHINE
摘要
申请公布号
CA480264(A)
申请公布日期
1952.01.15
申请号
CAD480264
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
GEORGE F. DALY;GUSTAV V. A. MALMROS;DONALD W. HANEY
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