Mining or in situ disintegration of hard material
Processes
Stabilizing underground structure
Inventor
active
Mining method for working large-scale mineral deposits by the ca
Process for recovering rare metals from the combustion residue o
Process for the extraction of thick coal seams
Process for the separation of rock refuse and coal products
Process for the underground gasification of coal and carbonaceou
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Profile ID: LFUS-PAI-P-641715