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发明名称
Apparatus for checking reading errors in a magnetic record card system
摘要
申请公布号
US3349369(A)
申请公布日期
1967.10.24
申请号
US19620223361
申请日期
1962.09.13
申请人
LITTON BUSINESS SYSTEMS, INC.
发明人
JENSEN ALAN K.
分类号
G06F11/16;G11B20/18
主分类号
G06F11/16
代理机构
代理人
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