 |
| |||
| cut-and-fill stoping; cut-and-fill work; horizontal cut-and-fill method | |||
| Firstenstoßbau in söhligen Streifen mit Versatz: 2 phrases in 1 subject |
| Mining | 2 |
|
| |||
| cut-and-fill stoping; cut-and-fill work; horizontal cut-and-fill method | |||
| Firstenstoßbau in söhligen Streifen mit Versatz: 2 phrases in 1 subject |
| Mining | 2 |