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Petroleum & Petrochemical Today
1009-6809
1994 Issue 3
ya tai di qu shi you hua gong gong xu fa zhan qian jing
zhang guo hua ;
..............page:13-22
tian jia ji zai liu hua cui hua lie hua zhong de ying yong
zhang guang lin ;
..............page:23-28+40
guo wai lian you shi hua zi dong hua ji shu xin qu xiang ( xia )
qian bo zhang ;
..............page:29-33