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经营范围
发明名称
Telephone call processing method and apparatus
摘要
申请公布号
GB0517944(D0)
申请公布日期
2005.10.12
申请号
GB20050017944
申请日期
2005.09.02
申请人
DATA CONNECTION LTD
发明人
分类号
H04L29/06;H04L29/12;H04M7/00;H04M7/12
主分类号
H04L29/06
代理机构
代理人
主权项
地址
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