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45 gang mo tuo kai lie fen xi
WANG Hai-yan;SUN Hong;LIU Zhen-wei;ZONG Qiu-li;LI Tao;HOU Shu-ya;North China Petroleum Steel Pipe Company Co.;Ltd.;
..............page:479-481+485
..............page:486-488
..............page:457-459+462
nc50 zuan gan jie tou lie wen yuan yin fen xi
ZHAO Jin-feng;YUAN Peng-bin;CHEN Jia-lei;HE Wei-bin;YU Shi-jie;Shanghai Hilong Oil Tubular Goods Research Institute;Southwest Petroleum University;Engineering-technology Department;Tarim Oilfield Branch Company;Bohai Drilling for Oil and Gas Cooperation Development Company;
..............page:460-462+466
..............page:482-485