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发明名称
SEMINAR PARTICIPANT MANAGEMENT APPARATUS AND METHOD
摘要
申请公布号
KR101404495(B1)
申请公布日期
2014.06.10
申请号
KR20120136588
申请日期
2012.11.28
申请人
发明人
分类号
G06Q50/10;G07C9/00
主分类号
G06Q50/10
代理机构
代理人
主权项
地址
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