Supply With The Rental Formula Of Exhibition Tension Structures With Related Technical And Electrical Systems To Be Used On The Occasion Of The 2026 Edition Of The Sardinia Nautical Fair (From 7 May To 10 May 2026) At The Porto Rotondo Marina In Olbia, With Right Of Option For The Annuality 2027 And 2028 Pursuant To Art. 120, Co. 1, Lett. A, Legislative Decree. 36/2023