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Live Event with Brand New Products Launch: Keynote Speaker Reveals Smartphone Device to the Audience. Movie Theater Screen Shows Mock-up Touch Screen Mobile Phone with High-End Features Highlights

视  频 ID：  1045029568
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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