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经营范围
发明名称
Telephone Network Controll System
摘要
申请公布号
KR100669404(B1)
申请公布日期
2007.01.15
申请号
KR20050005115
申请日期
2005.01.19
申请人
发明人
分类号
H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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