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发明名称
CARD PUNCH
摘要
申请公布号
CA329690(A)
申请公布日期
1933.01.24
申请号
CAD329690
申请日期
申请人
THE TABULATING MACHINE COMPANY;THE INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
JOHN R. PEIRCE
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主分类号
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