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发明名称
PROCESS FOR PURIFYING HYDROGEN FLUORIDE
摘要
申请公布号
KR930001205(B1)
申请公布日期
1993.02.22
申请号
KR19900014579
申请日期
1990.09.14
申请人
E.I. DU PONT DE NEMOURS & CO.
发明人
GUMPECHT, WILLIAM H.
分类号
C01B7/19;(IPC1-7):C01B7/19
主分类号
C01B7/19
代理机构
代理人
主权项
地址
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