Public Open Electronic Competition, For The Supply Of Computers, Screens, Printers, Photocopies, Multipurpose Machinery And Other Electronic And Mechanical Equipment To Meet The Operational Needs Of The Preveza Regional Unit And Primary And Secondary Education Desktop Computers, 30231000-7 Screens And Computer Consoles, 30234000-8 Storage, 38651600-9 Digital Cameras, 48822000-6 Computer Servers, 30232150-0 Ink Spray Printers, 38520000-6 Printers And Designers, 30121100-4 Photocopiers, 32552100-8 Telephone Devices)