Dustproof mask for geological exploration
The invention provides a dustproof mask for geological exploration. The dustproof mask comprises a mask body and is characterized in that the mask body is provided with a foam hole sieve screen, a filtering screen and a chemical processing layer; after primary filtering by the foam hole sieve screen...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | The invention provides a dustproof mask for geological exploration. The dustproof mask comprises a mask body and is characterized in that the mask body is provided with a foam hole sieve screen, a filtering screen and a chemical processing layer; after primary filtering by the foam hole sieve screen, secondary filtering is performed by the filtering screen; and then, chemical adsorption is performed through the chemical processing layer. |
|---|