Air convection heat dissipation epidemic prevention mask

The invention discloses an epidemic prevention mask with an air convection heat dissipation function, relates to the technical field of masks, and aims to solve the technical problems that an air inlet end and an air outlet end of an existing mask are located at the same position, hot air exhaled by...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIANG JIE, LAI XIAODAN, YUAN ZHINA
Format: Patent
Sprache:chi ; eng
Schlagworte:
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