MASK FOR COPING WITH ALLERGIC RHINITIS

摘要

PROBLEM TO BE SOLVED: To prevent intrusion of pollen, dust and ticks as a cause of allergic rhinitis without using medicine nor injection.;SOLUTION: Adsorption force of small holes of a charcoal is used to prevent the intrusion of pollen, dust and ticks scattering in the air into nostrils.;COPYRIGHT: (C)2003,JPO