✦ LIBER ✦
Estimating the volume of ventilation air for a development working face based on the amount of gas formed during blasting
✍ Scribed by V. I. Bugrimov
- Publisher
- Springer
- Year
- 1984
- Tongue
- English
- Weight
- 243 KB
- Volume
- 20
- Category
- Article
- ISSN
- 1573-8736
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