✦ LIBER ✦
Influence of geometrical design on the efficiency of a simple down-the-hole percussive drill. Technical note : Lundberg, B; Karlsson, L G Int J Rock Mech Min Sci V23, N3, June 1986, P281–287
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 99 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0148-9062
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