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发明名称
Improvements in or relating to record-card-controlled statistical machines
摘要
申请公布号
GB472659(A)
申请公布日期
1937.09.27
申请号
GB19360009173
申请日期
1936.03.27
申请人
THE BRITISH TABULATING MACHINE COMPANY LIMITED
发明人
分类号
主分类号
代理机构
代理人
主权项
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