Negotiated Procedure Without Prior Publication Of The Notice, Pursuant To Art. 76, Paragraph 2, Letter B), Point 2) And Point 3) Of The Legislative Decree. 36/2023, For The Assignment Of The On-Call Maintenance Service, With The Possibility Of Exchange (Replacement), For Wolf Rigid And Flexible Endoscopes, For A Period Of 36 Months, In Use At The A.O.U. City Of Health And Science Of Turin.