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发明名称
Tabulating card reader program control structure
摘要
申请公布号
US3407287(A)
申请公布日期
1968.10.22
申请号
US19650431940
申请日期
1965.02.11
申请人
FRIDEN, INC.
发明人
BLODGETT EDWIN O.
分类号
G06K13/07
主分类号
G06K13/07
代理机构
代理人
主权项
地址
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