Open Tender Procedure For The Acquisition Of A Framework Agreement For The Two-Year Contract Of Works For The Adaptation And/Or Construction Of New Medical Gas Plants Pp.Oo. And Dd.Ss. Asl Na2 Nord, With Application Of The Criteria Of The Most Economicly Advantageous Offer Identified On The Basis Of The Best Quality-Price Ratio, Pursuant To Articles. 59, 71 And 108 Of The Legislative Decree. 31 March 2023, N. 36 And S.M.I.