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发明名称
Card sorting device
摘要
申请公布号
US2463747(A)
申请公布日期
1949.03.08
申请号
US19440529378
申请日期
1944.04.03
申请人
THE MCBEE COMPANY
发明人
CONNOR ROGER
分类号
G06K21/04
主分类号
G06K21/04
代理机构
代理人
主权项
地址
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