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发明名称
Control of a wireless conference telephone system
摘要
申请公布号
EP2173076(B1)
申请公布日期
2012.01.18
申请号
EP20090176305
申请日期
2002.04.19
申请人
IP HOLDING OY
发明人
JUKARAINEN, JARKKO
分类号
H04M3/56;H04L29/06;H04L12/56;H04M1/725;H04W4/16
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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