A small oxygen enriching apparatus which can supply oxygen-enriched gas at high flow rate without imparting unnatural sensation to a user, as well as a controller and recording medium therefore. In step 100, a judgment is made as to whether a flow rate set by use of a flow-rate setting unit 45 is equal...http://www.google.fr/patents/US7077133?utm_source=gb-gplus-shareBrevet US7077133 - Oxygen enriching apparatus, controller, and recording medium
Oxygen enriching apparatus, controller, and recording medium
