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| 008 | 260224s2015 xxu ing | ||
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| 245 | 0 | 0 | _aStudent-built automated drills battle granite for glory |
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_a _b _cago. 2015 |
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| 270 | _a09/11/2015 ; 09/11/2015 | ||
| 300 | _a1 p. ; 39-40 | ||
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_tJournal of Petroleum Technology _g67 |
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_aBetz, Jack _954632 |
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