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Classification of protective pillars toward higher safety and innovation in room-and-pillar coal mining
Classification of protective pillars toward higher safety and innovation in room-and-pillar coal mining
2020
S. A. Prokopenko
V.V. Sementsov
M. S. Dobrovolsky
E. V. Nifanov
Keywords:
Coal mining
Pillar
Mining engineering
Business
Correction
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