Secure nano-mask

A close-fitting face mask made of woven or non-woven material having a fitted nose area with a nose-bridge contact and a nose-bridge recess or space, a nose upper part extending from the nose-bridge contact at the mid point of the bridge of the wearer's nose to the level of the lower eyelid, a...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: CHIAM KIA CHEE
Format: Patent
Sprache:eng
Schlagworte:
Online-Zugang:Volltext bestellen
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