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An Entity of Type : prov:Entity, within Data Space : webisadb.webdatacommons.org associated with source dataset(s)

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  • emy KewA communications system and associated apparatusWO1995028798A1 *18 Apr 199526 Oct 1995Scientific AtlantaSystem and method for subscriber interactivity in a television systemWO1999057666A1 *4 May 199911 Nov 1999Andreas UnsickerMethod and device for checking the correctness of answers to quiz questions over the media and in events, especially television and radioWO2002017252A1 *22 Aug 200128
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