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发明名称
Transmission system for statistical data
摘要
申请公布号
US2213560(A)
申请公布日期
1940.09.03
申请号
US19380235821
申请日期
1938.10.19
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
BRYCE JAMES W.
分类号
主分类号
代理机构
代理人
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