Preliminary Market Consultation In Preparation For The Call Of A Negotiated Procedure Without Publication Of Notice Pursuant To Art. 76 Paragraph 2 Letter B), Point 2 Of The Legislative Decree. 36/2023 For The Award Of The Supply Of A Microscopic Precision 3D Printer Based On Micro-Stereolithographic Projection Technology (Pµsl), Intended For The Manufacture Of High Resolution Components