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

Herbert Beyer

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Longwall mineral mining installation

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Stepper-type advance-causing means
Patent

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Longwall mineral mining installation

Mining or in situ disintegration of hard material – Hard material disintegrating machines – Stepper-type advance-causing means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Mineral mining installation

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

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Tensioning a longwall mineral mining installation

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

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Profile ID: LFUS-PAI-P-1558543

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