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发明名称
Videotelephoney
摘要
申请公布号
GB9714563(D0)
申请公布日期
1997.09.17
申请号
GB19970014563
申请日期
1997.07.10
申请人
INTELLPROP LIMITED
发明人
分类号
H04N7/14
主分类号
H04N7/14
代理机构
代理人
主权项
地址
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