Keel frame device for supporting planar mask

The invention discloses a supporting plane type mask keel frame device, and relates to the field of sanitary mask production. The technical key point is that a triangular spatial structure and mask clip fixing design is adopted. According to the structure, a plane mask fixing clamping groove (11) an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	GE SAI, LIU LILI, SUN MANLUAN
Format:	Patent
Sprache:	chi ; eng
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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