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发明名称
Photo electric card reading system
摘要
申请公布号
US3114841(A)
申请公布日期
1963.12.17
申请号
US19610114546
申请日期
1961.06.02
申请人
BURROUGHS CORPORATION
发明人
PAANANEN EUGENE E.
分类号
G06K7/016
主分类号
G06K7/016
代理机构
代理人
主权项
地址
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