Open Procedure For The Supply Of "Array - Nodes Instrumentation": 54 Seismic Acquisitions And 54 Seismic Speed Sensors For The Nodes Of The Array Relating To The Research Infrastructure "Irpinia Near Fault Observatory", To Be Provided In The University Complex Of Monte S. Angelo, Naples- Mur Project Code: Ir0000025 - Cup Unina: D53C22001400005