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Year of Publication 16.12.2022
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Device and method for online leaking stoppage of valve
HOU XIAOBEN, HAN SHENGYUAN, CHEN HAILONG, LI JUNCAI, ZHAO HONGBO, ZHENG FENG, HAN LING, ZOU DEFENG, CHEN JIA, JIA JICAN
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Oil-gas pipeline valve actuating mechanism rain shielding device
TANG XIAOPING, LU WEI, LIU ZHONGDE, LI JUNCAI, HUANG CHAOZHI, LI QING, ZHAO HONGBO, HAN LING, ZOU DEFENG, CHEN JIA, JIA JICAN
Year of Publication 01.12.2020
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Year of Publication 01.12.2020
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Fire-retardant breather valve for formation water storage tank
HOU XIAOBEN, JING JINGYONG, LU WEI, MI XIAO, HUANG CHAOZHI, JIANG KAIBIN, ZHAO HONGBO, CHEN JIA, GAO FENG, ZHENG WEIBING, WANG XIAOQIN, CHENG HAIHUA, JIA JICAN
Year of Publication 01.12.2020
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Year of Publication 01.12.2020
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A appurtenance for dismouting of valve class
GAO JIAN, LIU ZHONGDE, MAI XIAOPAN, ZHAO HONGBO, MA XIAOHUA, JIA JICAN, WANG XIAOYU
Year of Publication 21.09.2016
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Year of Publication 21.09.2016
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