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发明名称
TONVERARBEITUNGSVERFAHREN FÜR EIN TELEKONFERENZSYSTEM
摘要
申请公布号
DE69229052(T2)
申请公布日期
1999.11.25
申请号
DE19926029052T
申请日期
1992.09.03
申请人
BELL COMMUNICATIONS RESEARCH, INC.
发明人
ADDEO, ERIC;DESMARAIS, JOSEPH;SHTIRMER, GENNADY
分类号
H04M1/60;H04M9/08;H04N7/15;(IPC1-7):H04M1/00;H04B1/00;H04M3/56
主分类号
H04M1/60
代理机构
代理人
主权项
地址
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