OPEN-TYPE FACE MASK

FIELD: satisfaction of human vital needs.SUBSTANCE: face mask comprises a mask body, a mask fixation device on the face, a mask power frame, mask buccal projections, wherein the middle vertically convex connecting suture forms the convexity of the front wall of the mask and the protrusion of the fab...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	Gudiev Chersi Garsoltovich
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ACCESSORIES DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING OUTERWEAR PROTECTIVE GARMENTS WEARING APPAREL
Online-Zugang:	Volltext bestellen
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