Open Tender Procedure Pursuant To Articles 71 And 59, Paragraph 4, Lett. A) Of Legislative Decree N. 36/2023 Relating To The Assignment Of A "Framework Agreement With A Single Economic Operator Of A Mixed Contract For Works And Services Concerning The Entrusting Of Reparative Maintenance In A Fault And The Garrison Of Electric Cabins With The Management Of The Electogenic Group Of The Municipal Stadium" Diego Armando Maradona