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发明名称
ADDITIONAL INFORMATION FOR VOICE GROUP CALL SERVICE
摘要
申请公布号
EP1692907(B1)
申请公布日期
2010.01.06
申请号
EP20040798011
申请日期
2004.11.19
申请人
T-MOBILE DEUTSCHLAND GMBH
发明人
BRASS, VOLKER;GRETHE, WALTER;SIEREDZKI, THOMAS
分类号
H04W4/06
主分类号
H04W4/06
代理机构
代理人
主权项
地址
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