Recovery method of underground mine goaf remaining studs
The invention discloses a recovery method of underground mine goaf remaining studs. The recovery method comprises the following steps that an ore removal roadway is tunneled into a stub (16) on one side of a middle section transportation roadway (1) to reach an ore body hanging wall, and the top of...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
27.10.2020
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Subjects | |
Online Access | Get full text |
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