Respiratory protective devices - Definitions of terms and pictograms
This European Standard is applicable to respiratory protective devices except diving apparatus for which the definitions are given in EN 250. This European Standard defines commonly used terms and pictograms of this area. The object of this European Standard is to achieve a uniform interpretation of these terms and pictograms in order to prevent ambiguous use of them. EN 135 contains a survey of these terms in the three official languages English, French and German.
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