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Data communication circuit of power transmission line early warning device based on temporal GIS (Geographic Information System) 专利
申请日期: 2014-01-01,
作者:  ZHAO HAIFENG;  HU CHANGSHI;  WANG BANGJU;  LUO BIN;  YANG XIA
收藏  |  浏览/下载:6/0  |  提交时间:2019/04/19
Intelligent sitting posture rectification and eyes protecting device 专利
申请日期: 2014-01-01,
作者:  GUO MENGFEI;  CHEN CHUNYU;  XIA XUNPENG;  GAO LIRONG;  CHEN HAO
收藏  |  浏览/下载:3/0  |  提交时间:2019/04/19
Polyvinyl alcohol fiber enhanced polyurethane grouting reinforcement material and preparation method thereof 专利
申请日期: 2014-01-01,
作者:  MIAO JIBIN;  YANG BIN;  CHENG HUA;  WANG WENJING;  RONG CHUANXIN
收藏  |  浏览/下载:3/0  |  提交时间:2019/04/19


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