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发明名称
SEPARATING AND REMOVING IMPURITIES FROM TETRAFLUOROETHANES BY USING EXTRACTIVE DISTILLATION
摘要
申请公布号
EP0749407(B1)
申请公布日期
1999.12.15
申请号
EP19950912858
申请日期
1995.03.13
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
MAHLER, BARRY, ASHER;MILLER, RALPH, NEWTON
分类号
C07C17/386;C07C19/08;C07C19/12;(IPC1-7):C07C17/386
主分类号
C07C17/386
代理机构
代理人
主权项
地址
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