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发明名称
Method for obtaining presence information of ad-hoc buddys, network device and network system for processing the same
摘要
申请公布号
KR100888139(B1)
申请公布日期
2009.03.13
申请号
KR20070065605
申请日期
2007.06.29
申请人
发明人
分类号
H04L12/66;H04L12/28
主分类号
H04L12/66
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代理人
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