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经营范围
发明名称
METHOD FOR PURIFYING TiO2 ORE
摘要
申请公布号
EP0585347(B1)
申请公布日期
1996.03.06
申请号
EP19920911984
申请日期
1992.05.01
申请人
E.I. DU PONT DE NEMOURS AND COMPANY
发明人
CHAO, TZE
分类号
C01G23/04;C22B34/12;(IPC1-7):C22B34/12
主分类号
C01G23/04
代理机构
代理人
主权项
地址
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