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发明名称
A location-based messenger system, and a method for providing a service thereof
摘要
申请公布号
KR100714191(B1)
申请公布日期
2007.05.02
申请号
KR20040098521
申请日期
2004.11.29
申请人
发明人
分类号
G06Q50/30;H04W4/02
主分类号
G06Q50/30
代理机构
代理人
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