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发明名称
Apparatus and method for charging communication service
摘要
申请公布号
KR101167640(B1)
申请公布日期
2012.07.20
申请号
KR20090104793
申请日期
2009.11.02
申请人
发明人
分类号
H04W4/26
主分类号
H04W4/26
代理机构
代理人
主权项
地址
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