Request For Offer Pursuant To Art. 50, Paragraph 1, Lett. B) Legislative Decree. 36/2023 And S.M.I., Through The Sintel Platform Of Aria Spa, For The Awarding Of The Supply Divided Into Batches Of Antiseptics And Disinfectants Required By The Asst Melegnano Martesana, For A Period Of 24 Months.