4. Hydraulic and earth engineering
  5. Earth treatment or control
  6. Chemical

Frederick Carr

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Combination expansion shell and resin secured mine roof anchor a

Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent

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Combination expansion shell and resin secured mine roof anchor a

Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Combination expansion shell and resin secured mine roof anchor a

Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent

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Mine roof bolt assembly

Hydraulic and earth engineering – Earth treatment or control – Chemical
Patent

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Profile ID: LFUS-PAI-P-1885927

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