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发明名称
RATE EXTENSION PUNCH
摘要
申请公布号
CA388826(A)
申请公布日期
1940.05.21
申请号
CAD388826
申请日期
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CLAIR D. LAKE
分类号
主分类号
代理机构
代理人
主权项
地址
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