专利名称：Residual oil cracking process using dry gas
as lift gas initially in riser reactor
发明人：Kmecak, Ronald A.,Hettinger, William P.,
Jr.,Kovach, Stephen M.,Fraley, Larry M.
申请号：EP84112717.8申请日：19841217公开号：EP0171460B1公开日：19880817
摘要：Array
申请人：ASHLAND OIL, INC.
代理机构：Lambert, Hugh Richmond
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