Request For Offer (Rdo) Open, Pursuant To Art. 50 Paragraph 1 Lett. B) Of Legislative Decree 36/2023, Aimed At The Assignment Of The Supply, Divided Into N. 4 Lots, Of Hemodialysis Catheters With Permanent Caps, Necessary For The Asst Valle Olona, ​​For A Period Of 36 Months