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发明名称
Improvements in or relating to perforated records for controlling statistical machines
摘要
申请公布号
GB387791(A)
申请公布日期
1933.02.16
申请号
GB19310032976
申请日期
1931.11.27
申请人
LESLIE ERNEST BROUGHAM
发明人
分类号
G06K19/02
主分类号
G06K19/02
代理机构
代理人
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