| 发明名称 |
UN MANDRIL LAMINADOR DE TUBOS REFRIGERADO INTERIORMENTE DE GRAN GROSOR DE PARED. |
| 摘要 |
<p>An internally cooled mandrel is provided with regularly arranged copper fingers projecting into the inner flow space and leaving a recess adjacent the outer surface which is filled with buildup. These fingers are arranged in axial rows in which the pins are staggeredly positioned.</p> |
| 申请公布号 |
ES467878(A1) |
申请公布日期 |
1978.11.01 |
| 申请号 |
ES19780004678 |
申请日期 |
1978.03.15 |
| 申请人 |
MANNESMANN AKTIENGESELLSCHAFT |
发明人 |
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| 分类号 |
B21B21/00;B21B25/04;(IPC1-7):21B/ |
主分类号 |
B21B21/00 |
| 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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