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发明名称
Improvements in or relating to record card controlled tabulating machines
摘要
申请公布号
GB484911(A)
申请公布日期
1938.05.09
申请号
GB19360030580
申请日期
1936.11.09
申请人
RICHARD EVEREST BALDWIN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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