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发明名称
System and method for surveying broadcasting rating
摘要
申请公布号
GB0217159(D0)
申请公布日期
2002.09.04
申请号
GB20020017159
申请日期
2002.07.24
申请人
GENTOR.COM INC
发明人
分类号
H04N7/015;H04H60/37;H04H60/40;H04H60/43;H04H60/45;H04H60/64;H04N7/16
主分类号
H04N7/015
代理机构
代理人
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地址
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