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发明名称
Improvements in or relating to electronic summing devices
摘要
申请公布号
GB767694(A)
申请公布日期
1957.02.06
申请号
GB19540017405
申请日期
1954.06.14
申请人
THE BRITISH TABULATING MACHINE COMPANY LIMITED
发明人
WOODS-HILL WILLIAM
分类号
G06F7/491;G06F7/50
主分类号
G06F7/491
代理机构
代理人
主权项
地址
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