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发明名称
Card selecting apparatus
摘要
申请公布号
US2002807(A)
申请公布日期
1935.05.28
申请号
US19280270475
申请日期
1928.04.16
申请人
WHITSON JOHN W
发明人
WHITSON JOHN W.
分类号
G06K21/02
主分类号
G06K21/02
代理机构
代理人
主权项
地址
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