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Group of Engineers Technicians and Specialists Meeting In the office. Brainstorming sessions from experts from many fields Executive. Engineering people corporate working teamwork concept .

视  频 ID：  1070306680
版      权：  Kittinan Sraphongdee
视频长度：  0:36
横纵比率：  16:9
所属分类：  商务 工业 
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