Health mask

In this invention, air-blocking material is contained that enables the formation of a concentrated passage in the inner surface of the mask body that covers the nose and mouth of the user where air is concentrated and passed through at the time of inhalation and exhalation. Accordingly, concentrated...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	LEE BOOKYUNG
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING HUMAN NECESSITIES HYGIENE LIFE-SAVING MEDICAL OR VETERINARY SCIENCE OUTERWEAR PROTECTIVE GARMENTS WEARING APPAREL
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