发明名称 |
Brush-type protection system for removing carbon or another mineral, with non-guided free chains |
摘要 |
System which consists of rocking or telescopic protective devices which at their end in contact with the sealing are provided with reinforcements, these devices being activated by active or passive means. <IMAGE>
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申请公布号 |
ES2026789(A6) |
申请公布日期 |
1992.05.01 |
申请号 |
ES19900002864 |
申请日期 |
1990.11.12 |
申请人 |
MACKINA WESTFALIA S.A. |
发明人 |
ARSUAGA JAVIER |
分类号 |
E21C27/34;E21C35/04;(IPC1-7):E21C35/04 |
主分类号 |
E21C27/34 |
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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