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发明名称
Accounting machine
摘要
申请公布号
US2272430(A)
申请公布日期
1942.02.10
申请号
US19380219558
申请日期
1938.07.16
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
RABENDA EDWARD J.
分类号
主分类号
代理机构
代理人
主权项
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