✦ LIBER ✦
841172 Modern roof support design and the effect of the mining department instruction on the use of powered supports on longwall faces : Allen, A D Min Technol V65, N754, Aug 1983, P309–312
- Publisher
- Elsevier Science
- Year
- 1984
- Tongue
- English
- Weight
- 105 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0148-9062
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