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经营范围
发明名称
Improvements in or relating to ten key calculating machine
摘要
申请公布号
GB935170(A)
申请公布日期
1963.08.28
申请号
GB19620025139
申请日期
1962.06.29
申请人
BURROUGHS CORPORATION
发明人
分类号
G06C7/08
主分类号
G06C7/08
代理机构
代理人
主权项
地址
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