tender for local purchase of expendable medical stores - mechanicalvalve aortic, supra annular, 17mm ( us fda approved ) 3 mechanicalvalve aortic, supra annular, 19mm ( us fda approved ) 4 mechanicalvalve aortic, supra annular, 21mm ( us fda approved ) 5 mechanicalvalve aortic, supra annular , 23mm ( us fda approved ) 6 mechanicalvalve aortic, supra annular , 25mm ( us fda approved ) 7 mechanical heart valve, rotatable mitral, 23mm ( us fda approved ) 8 mechanical heart valve, rotatable mitral, 25mm ( us fda approved ) 9 mechanical heart valve, rotatable mitral, 27mm ( us fda approved ) 10 mechanical heart valve, rotatable mitral, 29mm ( us fda approved ) 11 mechanical heart valve, rotatable mitral, 31mm ( us fda approved ) => limited