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发明名称
Improvements in record card processing apparatus
摘要
申请公布号
GB880011(A)
申请公布日期
1961.10.18
申请号
GB19580003429
申请日期
1958.02.03
申请人
THE MAGNAVOX COMPANY
发明人
分类号
G06K13/077
主分类号
G06K13/077
代理机构
代理人
主权项
地址
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