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发明名称
Improvements in or relating to electronic calculating apparatus
摘要
申请公布号
GB767692(A)
申请公布日期
1957.02.06
申请号
GB19530014993
申请日期
1953.05.29
申请人
THE BRITISH TABULATING MACHINE COMPANY LIMITED
发明人
WOODS-HILL WILLIAM
分类号
G06F7/491;G06F7/52
主分类号
G06F7/491
代理机构
代理人
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