TRACKING USAGE OF PORTABLE MEDIA DEVICE,申请号EP20070871517-传众专利搜索

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发明名称	TRACKING USAGE OF PORTABLE MEDIA DEVICE
摘要
申请公布号	EP2082511(A2)	申请公布日期	2009.07.29
申请号	EP20070871517	申请日期	2007.11.19
申请人	COMCAST CABLE HOLDINGS, LLC	发明人	CHEN, MICHAEL A.;AHMAD-TAYLOR, TY O.
分类号	H04K1/00;G06Q30/00	主分类号	H04K1/00
代理机构		代理人
主权项
地址

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