✦ LIBER ✦
Shaft sinking technology in the People's Republic of Poland (in German) : Maloszewski, J; Sacher, W Neue Bergbautech, V7, N7, July 1977, P490–493
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 89 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0148-9062
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