Pressure testing device of blowout preventer fully-sealed flashboard
LI ZUHAI, FENG HAIJIANG, TIAN SHENGMIN, FAN ZHENGANG, TIAN WEIJU, LI LONG, ZHAO YONGJIE, WANG FANGXIANG, LIU YONGXIANG
Year of Publication 03.07.2020
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Year of Publication 03.07.2020
Patent