Oxygen Medical Liquid (Oxygen, V03A N01), Filling; Oxygen Oxygen Gaseous (Oxygen, V03A N01), Volumetric Proportion Of Oxygen Not Less Than 99.5%, Cylinder 40L, With Cylinder Metabolism; Oxygen Medical Gaseous (Oxygen, V03A N01), Volumetric Proportion Of Oxygen Not Less Than 99.5%, Balloon - 10L, With Cylinder Exchange