GG-I-524, FEDERAL SPECIFICATION, INHALATOR, OXYGEN (DEMAND) (7 MAR 1956)

GG-I-524, FEDERAL SPECIFICATION, INHALATOR, OXYGEN (DEMAND) (7 MAR 1956)., This specification shall cover demand inhalators for the administration of 100 percent pure oxygen or prepared mixtures of oxygen and carbon dioxide or oxygen and helium.