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发明名称
Audio-video conference system with parallel networks
摘要
申请公布号
GB0117887(D0)
申请公布日期
2001.09.12
申请号
GB20010017887
申请日期
2000.01.27
申请人
RIDGEWAY SYSTEMS & SOFTWARE LTD
发明人
分类号
H04M3/56;H04N7/15
主分类号
H04M3/56
代理机构
代理人
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地址
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