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发明名称
Calculating machine
摘要
申请公布号
US2269931(A)
申请公布日期
1942.01.13
申请号
US19360095959
申请日期
1936.08.14
申请人
BURROUGHS ADDING MACHINE COMPANY
发明人
FETTIG ARTHUR J.
分类号
G06C15/06
主分类号
G06C15/06
代理机构
代理人
主权项
地址
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