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发明名称
Preparation of titanium concentrates
摘要
申请公布号
US2183365(A)
申请公布日期
1939.12.12
申请号
US19380200748
申请日期
1938.04.07
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
BOOGE JAMES ELIOT
分类号
C22B34/12
主分类号
C22B34/12
代理机构
代理人
主权项
地址
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