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经营范围
发明名称
Wireless Instant Messaging System and Service Method with Extensible Presence Capability
摘要
申请公布号
KR100766779(B1)
申请公布日期
2007.10.17
申请号
KR20060016523
申请日期
2006.02.21
申请人
发明人
分类号
H04W4/12;H04W4/00;H04W8/24
主分类号
H04W4/12
代理机构
代理人
主权项
地址
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