Storage tank equipment with interior capable of being rapidly cleaned von ZHANG QI, ZHAO ZHIQIANG, WANG ZHENGWEI, XIA YUCHEN, BAO LONG, LEI YACHAO, GAO LIANG, GUO YUJIA, ZHANG SHUAI, WANG JINLIANG, LI HONGJUN, MIAO SHOUHE, LI XIAOBING, ZHU CONGXUAN, GUO SHICHAO, WU SUHAI, YANG XIAOCHENG, LEI HANGCAO, GAO XIANGPENG

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Portable and on-line temperature and image remote monitoring device for high-pressure electrical device von YANG SHOUHE, GAO CE, LI WU, HUANG FENGPIAO, XIA XIAOBO, CHENG JISHENG, DAI RUIHAI, CHEN RONGZHU, JIANG SHAOCHENG, XU LINGPING, MIAO XIAOJUN, GUAN BINGLEI, HUANG WANJUN, YANG ZHEN

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Novel oil pipe tripping device von YAN HUSHAN, LI ZUORONG, LI YUDONG, LI HUABIN, MIAO LICHUN, ZHANG SHOUHE, LI KEZHONG, XU XUEJIE, ZHANG ZHENSHAN, LIU LIQING, JIANG NAN, ZHANG SHULI, XIA LIGUO, DONG YANGSHAN, WU CHUNTAO, ZHANG GUANGHUI

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