4. Mining or in situ disintegration of hard material
  5. Processes
  6. Stabilizing underground structure
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Coal mining apparatus and method

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
Patent

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Coal mining method at a long-walled pit face of the coal mine

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
Patent

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Continuous mining apparatus and method

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
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Continuous mining linear advance system

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
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Continuous mining machine with roof supporting apparatus and met

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
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Continuous roof support system for tunnel boring

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
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Contour miner

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
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Control of subsidence during underground gasification of coal

Mining or in situ disintegration of hard material – Processes – Stabilizing underground structure
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