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发明名称
METHOD FOR CONTROLLING ACCESS TO SPECIFIC SERVICES FROM A BROADCASTER
摘要
申请公布号
EP1461967(B1)
申请公布日期
2008.03.19
申请号
EP20020781558
申请日期
2002.11.20
申请人
NAGRAVISION SA
发明人
COLLET, JEAN-FRANCOIS
分类号
H04W4/06;H04W12/02
主分类号
H04W4/06
代理机构
代理人
主权项
地址
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