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发明名称
The United Statistics server connecting at the plural PBX system and controlling method therefore
摘要
申请公布号
KR100941212(B1)
申请公布日期
2010.02.10
申请号
KR20030051357
申请日期
2003.07.25
申请人
发明人
分类号
H04M3/36
主分类号
H04M3/36
代理机构
代理人
主权项
地址
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