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发明名称
Method for querying and maintaining an automatic directory assistance in mobile communication systems
摘要
申请公布号
EP0955778(A3)
申请公布日期
2000.08.16
申请号
EP19990108803
申请日期
1999.05.04
申请人
DETEMOBIL
发明人
ZSCHINTZSCH, HANS
分类号
H04M3/493;H04W4/14;H04W8/18;(IPC1-7):H04Q7/22;H04M3/50
主分类号
H04M3/493
代理机构
代理人
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地址
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