发明名称 |
Mine-supporting element |
摘要 |
The invention relates to a mine-supporting element. This mine-supporting element comprises at least one vertical load prop 10 and stacked supporting means 12 surrounding the prop and formed by horizontal timber pieces 14 and concrete blocks 16. Application in particular to the support of mine roofs. <IMAGE>
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申请公布号 |
FR2544015(A1) |
申请公布日期 |
1984.10.12 |
申请号 |
FR19830005760 |
申请日期 |
1983.04.08 |
申请人 |
HUNT LEUCHARS HEPBURN LTD |
发明人 |
BRIAN GILBERT HOLDER ET DIRK CORNELIUS STEPHANUS VENTER;VENTER DIRK CORNELIUS STEPHANU |
分类号 |
E21D15/02;E21D15/48;(IPC1-7):E21D15/02;E21D15/44;E21D19/00 |
主分类号 |
E21D15/02 |
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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