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经营范围
发明名称
Extractive distillation of hydrocarbons employing solvent mixture
摘要
申请公布号
US4921581(A)
申请公布日期
1990.05.01
申请号
US19890357568
申请日期
1989.05.26
申请人
PHILLIPS PETROLEUM COMPANY
发明人
LEE, FU M.;BROWN, RONALD E.
分类号
B01D3/40;C07C7/08;C07C9/14;C07C13/02
主分类号
B01D3/40
代理机构
代理人
主权项
地址
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