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发明名称
A receiver for simultaneously displaying first and second video signals
摘要
申请公布号
GB0103147(D0)
申请公布日期
2001.03.28
申请号
GB20010003147
申请日期
1998.12.16
申请人
ACTV, INC.
发明人
分类号
H04N5/00;H04N5/44;H04N5/45;H04N5/46;H04N7/24
主分类号
H04N5/00
代理机构
代理人
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