| 发明名称 |
FREMGANGSMAATE TIL FREMSTILLING AV LEGERINGER AV SJELDNE JORDMETALLER OG JERN |
| 摘要 |
<p>An improved method for the preparation of high-purity rare earth-iron alloys by the aluminothermic reduction of a mixture of rare earth and iron fluorides.</p> |
| 申请公布号 |
NO169665(C) |
申请公布日期 |
1992.07.22 |
| 申请号 |
NO19860004106 |
申请日期 |
1986.10.15 |
| 申请人 |
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC |
发明人 |
SCHMIDT, FREDERICK ALLEN;PETERSON, DAVID TOBIAS;WHEELOCK, JOHN THOMAS |
| 分类号 |
C22C33/00;(IPC1-7):C22C1/02;C22C33/04 |
主分类号 |
C22C33/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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