Rotary drilling with automated controls
✦ LIBER ✦
New technology for the 1990s : Coal V96, N3, March 1990, P42–48, 79–82
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 110 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0148-9062
No coin nor oath required. For personal study only.
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