Mathematics Manual for Water and Wastewater Treatment Plant Operators, Third Edition Autor Frank R. Spellman 14 mai 2026 Paperback Preț: 2003.45 lei 2683.66 lei Indisponibil temporar -25%
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Spellman's Standard Handbook for Wastewater Operators (3 Volume Set) Autor Frank R. Spellman 8 iul 2026 Hardback Preț: 948.25 lei 1231.48 lei Indisponibil temporar -23%