Anti -dust respirator

The utility model relates to an anti -dust respirator, it includes frenulum, gauze mask main part, breathing cavity and breathes the pneumatic valve, breathing cavity sets up in the middle part of gauze mask main part to be located gauze mask main part top, be provided with a pair of breathing pneum...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: CUI ZHONGZE
Format: Patent
Sprache:chi ; eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!