Tender_52413_ Fanging Agreement For The Dehydration Service Of Sludge, Produced By The Treatment Plants Of Urban Waste Water, With Centrifugal Hydroestractor On A Mobile Vehicle And Relative Transport To Destiny. Lot 1 Ireti S.P.A. - Lot 2 Ireti S.P.A., Iren Acqua Tigullio S.P.A. And Acam Acque S.P.A.