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经营范围
发明名称
A VIDEO SUBSCRIBER SYSTEM
摘要
申请公布号
GB9312181(D0)
申请公布日期
1993.07.28
申请号
GB19930012181
申请日期
1993.06.12
申请人
CUTHEW PETER S.;GAVENS RICHARD S. J.
发明人
分类号
H04N7/173
主分类号
H04N7/173
代理机构
代理人
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地址
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