4. Hydraulic and earth engineering
  5. Earth treatment or control
  6. Shoring, bracing, or cave-in prevention

John C. Lascola

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Extensible brattice support system for mine face ventilation

Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Patent

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Slideboard device for underground mine face ventilation

Mining or in situ disintegration of hard material – Processes – Forming blocks
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Profile ID: LFUS-PAI-P-794030

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