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High-sensitivity portable gas detection instrument based on NDIR (Non-Dispersive Infra-Red) principle 专利
申请日期: 2013-01-01,
作者:  FENG LILEI;  YU GUIZHOU;  CHEN XIAOYU;  OU CHANGJIANG;  WU FEI
收藏  |  浏览/下载:8/0  |  提交时间:2019/04/19
Yellow label car active signal monitoring system based on RFID and image license plate identification technologies 专利
申请日期: 2013-01-01,
作者:  FENG LILEI;  YU GUIZHOU;  CHEN XIAOYU;  OU CHANGJIANG;  WU FEI
收藏  |  浏览/下载:3/0  |  提交时间:2019/04/19


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