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经营范围
发明名称
IPTV service control method and control server
摘要
申请公布号
KR101029852(B1)
申请公布日期
2011.04.18
申请号
KR20090031915
申请日期
2009.04.13
申请人
发明人
分类号
H04N21/60
主分类号
H04N21/60
代理机构
代理人
主权项
地址
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