Eu13 Open Procedure Above The Community Threshold Pursuant To Art. 71 Of Legislative Decree No. 36/2023 For The Awarding Of The Supply Of Scientific Measurement Instruments For The Strengthening Of The Danubius-Ri Research Infrastructure, Divided Into 2 Functional Lots, With The Criterion Of The Most Economically Advantageous Offer On The Basis Of The Best Quality/Price Ratio, Within The Context Of The National Plan