Open Procedure For The Conclusion Of A Framework Agreement, Pursuant To Art. 59 Of Legislative Decree No. 36/2023 For The Supply Of Thoracic Vascular Endoprothesis Necessary For The Aa.Ss., Ee.O.O., Irccs Of The Liguria Region (Iii Edition) For A Period Of 24 Months (With An Extension Option For An Additional 12 Months)