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发明名称
CALCULATING MACHINES
摘要
申请公布号
CA577335(A)
申请公布日期
1959.06.09
申请号
CAD577335
申请日期
申请人
BELL PUNCH COMPANY LIMITED
发明人
CHRISTOPHER F. WEBB
分类号
主分类号
代理机构
代理人
主权项
地址
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