Nasal breathing filter

The utility model relates to a nasal breathing filter, and belongs to human health protective devices. As is shown in the attached map, the nasal breathing filter comprises a filter body 1, catheters 2, nose plugs 3, a support 4 and an elastic cord 5. As is shown in the attached map, the filter body...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	PEI WENTING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING
Online-Zugang:	Volltext bestellen
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