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经营范围
发明名称
Improvements in or relating to calculating machines
摘要
申请公布号
GB418993(A)
申请公布日期
1934.11.05
申请号
GB19330012907
申请日期
1933.05.03
申请人
THE BRITISH TABULATING MACHINE COMPANY LIMITED
发明人
分类号
G06F7/46
主分类号
G06F7/46
代理机构
代理人
主权项
地址
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