Sudan - Organization of the drilling division - Report to the government.
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| Format: | Texto biblioteca |
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1959
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| Subjects: | WATER DRILLING, GROUNDWATER, MANAGEMENT, DRILLING EQUIPMENT, WORKERS, VEHICLES, WORKSHOPS, FORAGE D'EAU, EAU SOUTERRAINE, PERFORACION DE POZOS, AGUAS SUBTERRANEAS, GESTION, MATERIEL DE FORAGE, TRAVAILLEUR, VEHICULE, ATELIER, MATERIAL DE PERFORACION, OBREROS, VEHICULOS, TALLERES, |
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