发明名称 |
Underground mine baffle wall - is of fireproof dust filtering material suspended to allow periodic vibration |
摘要 |
<p>The baffle wall is for use in underground mines, and is of fireproof dust filtering material, preferably ceramic fibres. It is so suspended on the rock face etc. that it can be vibrated at intervals preferably dependent on the pressure of the firedamp etc.</p> |
申请公布号 |
DE2813629(A1) |
申请公布日期 |
1979.10.11 |
申请号 |
DE19782813629 |
申请日期 |
1978.03.30 |
申请人 |
HOELTER,HEINZ |
发明人 |
HOELTER,HEINZ;GRESCH,HEINZ;IGELBUESCHER,HEINRICH |
分类号 |
E21F1/14;(IPC1-7):E21F1/14 |
主分类号 |
E21F1/14 |
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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