Capital and working costs of underdrainage machinery
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Format: | Texto biblioteca |
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1972
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Subjects: | AGL ECA WR, SUBSURFACE DRAINAGE, DRAINAGE EQUIPMENT, OPERATING COSTS, CAPITAL, COSTS, WATER MANAGEMENT, ECONOMICS, DRAINAGE SOUTERRAIN, MATERIEL DE DRAINAGE, COUT OPERATIONNEL, COUT, DRENAJE SUBTERRANEO, EQUIPO DE DRENAJE, COSTOS DE EXPLOTACION, COSTOS, GESTION DES EAUX, ECONOMIE, ORDENACION DE AGUAS, ECONOMIA, |
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