Negotiated Procedure Without Prior Publication Of The Notice In Accordance With Art. 76 Paragraph 2 Letter. B) Legislative Decree 36/2023, In Purchasing Union With Izs Delle Venezie, For The Supply Of 3 Lamp Instruments And The Related Dedicated Material. Voluntary Notice For Ex Ante Transparency For The Verification Of The Conditions Of Non-Fungelability/Exclusivity.