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经营范围
发明名称
AUDIENCE MEASUREMENT SYSTEM
摘要
申请公布号
PT1213860(E)
申请公布日期
2008.06.16
申请号
PT20010126148T
申请日期
1994.10.17
申请人
NIELSEN MEDIA RESEARCH, INC.
发明人
DAOZHENG LU;WILLIAM L. THOMAS
分类号
H04N17/00;H04H20/31;H04H60/37;H04H60/40;H04H60/45;H04H60/56;H04H60/58;H04H60/59;H04N7/00;H04N7/08;H04N7/081;H04N7/16;H04N7/173
主分类号
H04N17/00
代理机构
代理人
主权项
地址
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