Unprocessed plastics; unprocessed artificial resins; plastics material for use in industry; plastics in the form of powders, pastes, granules, emulsions and dispersions, all for use in industry

Hypoxic delivery systems for medical use in the field of altitude training, namely, apparatus for dispensing air with decreased partial pressure of oxygen and associated parts and fittings, namely, oxygen analyzers, controllers, and enclosures