| 发明名称 |
Metal refining - using vacuum degassing method |
| 摘要 |
<p>Metal purification is vacuum, uses a slag-filled run-out tube in conjunction wiht perforated low metling-point metal screen. The metl vessel is positioned at top of barometric leg and degassing occurs together with removal of S and other non-metallic impurities.</p> |
| 申请公布号 |
FR2102940(A5) |
申请公布日期 |
1972.04.07 |
| 申请号 |
FR19700031689 |
申请日期 |
1970.08.31 |
| 申请人 |
UKRAINSKY NAUCHNO ISSLED;ORDENA TRUDOVOGO KRASNOG |
发明人 |
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| 分类号 |
C21C7/10;(IPC1-7):22B9/00;21C7/00 |
主分类号 |
C21C7/10 |
| 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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