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
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