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发明名称
METHOD FOR RESERVATION-LESS INSTANT GROUP CONFERENCING
摘要
申请公布号
EP1552674(A4)
申请公布日期
2009.05.20
申请号
EP20030749461
申请日期
2003.09.08
申请人
POLYCOM, INC.
发明人
ADAMS, JEFFREY, C.;BRENNAN, JAMES
分类号
H04M3/56;H04L12/18;H04M3/00;H04M3/493
主分类号
H04M3/56
代理机构
代理人
主权项
地址
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