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Oil pumping unit well group flexible drive control system
LANG LISHU, LONG YIMIAN, ZHENG ZHAOMEI, XIAO ZHIYONG, ZHOU LIANG, LIU YANG, LIU XIANGDONG, HU XIAOFENG, WANG XIAODONG, SUN DONG, LI XU, LI WEI, ZHENG WEIBO, MA KUN, ZHENG SHUFANG
Year of Publication 04.01.2017
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Year of Publication 04.01.2017
Patent