Tender For corrigendum : supply of c arm fluoroscope x - ray machine (v2) (q2) , digital radiography system (v2) (q2) , computed radiography system (q2) , 500 ma x - ray machine (v2) (q2) , portable x - ray machine (v2) (q2) , ultrasound machine (v2) (q2) , portable ultrasound machine (v2) (q2)