Air distribution system with the discharge action in the working cavity of downhole air hammer drills.
Autor: | VV Timonin, SE Alekseev, DI Kokoulin, B Kubanychbek |
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Zdroj: | IOP Conference Series: Earth & Environmental Science; Mar2018, Vol. 134 Issue 1, p1-1, 1p |
Databáze: | Complementary Index |
Externí odkaz: |