Contract According To § 127 Paragraph 1 Sgb V On The Supply Of Screen Readers Of The Product Subgroup 25.21.85. (Screen Readers) And 25.21.86 As Well As The Product Type 25.99.99.4 The Aok Federal Association Egbr On Behalf Of The Aoks: Baden-Württemberg, Bavaria, Hesse, Northeast And Rhineland-Palatinate/Saarland