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210 _aHydr. news
222 2 0 _aHydrocarbon news
245 0 0 _aHydrocarbon news
264 1 _aHouston, Tx. :
_b[editor no identificado]
336 _atexto
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337 _asin medio
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338 _avolumen
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785 _tPetroleum engineer international
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