✦ LIBER ✦
Trends in the development of comprehensive mechanization equipment for working thick gently sloping and steep Kuzbass coal seams with filling of the worked-out space
✍ Scribed by V. A. Mikhalitsyn; V. D. Kleiman; V. P. Zhevago
- Publisher
- Springer
- Year
- 1985
- Tongue
- English
- Weight
- 572 KB
- Volume
- 21
- Category
- Article
- ISSN
- 1573-8736
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