Anglais | Allemand | |
---|---|---|
Patent | ||
Patent | underground mining | Untertagebergbau |
Technical | ||
Technical | underground mining | Tiefbau [m] |
Bearing | ||
Bearing | underground mining | Untertagebergbau [m] |
Mining | ||
Mining | underground mining | Tiefbau [m] |
Mining | underground mining | Tiefbaubetrieb [m] |
Mining | underground mining | Untertagebau [m] |
Mining | underground mining | Grubenbetrieb [m] |
Mining | underground mining | Bergbau unter Tage |
Anglais | Allemand | |
---|---|---|
Patent | ||
Patent | filling-up of underground mining | Grubenversatz von Untertagebergbau |