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发明名称
Attendance management system
摘要
申请公布号
GB201403982(D0)
申请公布日期
2014.04.23
申请号
GB20140003982
申请日期
2014.03.06
申请人
PORTER, STEVEN
发明人
分类号
主分类号
代理机构
代理人
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