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发明名称
Improvements in or relating to record-card-controlled machines
摘要
申请公布号
GB688383(A)
申请公布日期
1953.03.04
申请号
GB19500002371
申请日期
1950.01.30
申请人
THE BRITISH TABULATING MACHINE COMPANY LIMITED
发明人
分类号
C04B35/38;H01F1/34
主分类号
C04B35/38
代理机构
代理人
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