procurement of 21 niv ( expendable medical stores for department of cardiac surgery ) , drugs , po2 membrane shell for eschweiler abg machine , pco2 membrane shell for eschweiler abg machine , ca++ membrane shell for eschweiler abg machine , k+ membrane shell for eschweiler abg machine , cl- membrane shell for eschweiler abg machine , ref . membrane shell for eschweiler abg machine , pco2 sensor unit with membrane for eschweiler abg machine , po2 sensor unit with membrane for eschweiler abg machine , ph-sensor unit for eschweiler abg machine , k+ conducting system for eschweiler abg machine , ca++ conducting system for eschweiler abg machine , cl- conducting system for eschweiler abg machine , na+ conducting system for eschweiler abg machine , ref . conducting system for eschweiler abg machine , qc level 1 for eschweiler abg machine , qc level 2 for eschweiler abg machine , qc level 3 for eschweiler abg machine , lactate sensor for eschweiler abg machine , na+ sensor casing for eschweiler abg machine , photo electric sensor for eschweiler abg machine , protien remover for eschwiler abg machine ( clean 100 ml )