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经营范围
发明名称
MULTIPLYING AND CHECKING MACHINE
摘要
申请公布号
CA399832(A)
申请公布日期
1941.10.07
申请号
CAD399832
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
ARTHUR H. DICKINSON;ROBERT BLAKELY
分类号
主分类号
代理机构
代理人
主权项
地址
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