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发明名称
GEOGRAPHIC REFERENCED TELEPHONE SWITCHING
摘要
申请公布号
EP2210448(A1)
申请公布日期
2010.07.28
申请号
EP20080840245
申请日期
2008.10.17
申请人
US
发明人
US
分类号
H04W84/00;H04M3/51;H04M7/00;H04Q3/66;H04Q3/72
主分类号
H04W84/00
代理机构
代理人
主权项
地址
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