Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Nagra France SasfiledCriticalNagra France Sas
Priority claimed from PCT/EP1997/002108external-prioritypatent/WO1998043426A1/en
Publication of HK1025451A1publicationCriticalpatent/HK1025451A1/zh
Publication of HK1025451BpublicationCriticalpatent/HK1025451B/zh