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Live Event with New Products Launch: Keynote Smartphone Device Reveal to the Auditorium Hall Full of Tech Participants. Movie Theater Screen Shows Touch Screen Mobile Phone with High-End Features

视  频 ID：  1048549030
版      权：  Gorodenkoff
视频长度：  0:12
横纵比率：  16:9
所属分类：  人物 科技 
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