NEN-EN 133
Respiratory protective devices - Classification
| Organization: | NEN |
| Publication Date: | 1 October 1992 |
| Status: | inactive |
| Page Count: | 8 |
| ICS Code (Respiratory protective devices): | 13.340.30 |
scope:
This European Standard refers to respiratory protective devices. It specifies a classification of the environment where the use of respiratory protective devices may be necessary and a classification of the respiratory protective devices according to their design. The object of this European Standard is to lay down a general classification for a sensible grouping of the respiratory protective devices.
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