| 发明名称 |
Column for supporting, raising and swivelling the roof of an arc furnace |
| 摘要 |
A column for supporting, raising and swivelling the roof of an arc furnance, in which the column comprises an iron tube filled at least partly with a solid filter material, preferably concrete, plaster or synthetic resin.
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| 申请公布号 |
US4167642(A) |
申请公布日期 |
1979.09.11 |
| 申请号 |
US19780878891 |
申请日期 |
1978.02.17 |
| 申请人 |
BBC BROWN BOVERI & COMPANY, LIMITED |
发明人 |
BUHLER, KARL |
| 分类号 |
F27D1/18;(IPC1-7):H05B7/10 |
主分类号 |
F27D1/18 |
| 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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