Development of small diameter pilot hole directional drilling for trenchless utility installation.
| Autor: | A L Saruev, L A Saruev, S S Vasenin |
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| Zdroj: | IOP Conference Series: Earth & Environmental Science; Nov2016, Vol. 43 Issue 1, p1-1, 1p |
| Databáze: | Complementary Index |
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