Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking; German version EN 149:2001+A1:2009
German title
Atemschutzgeräte - Filtrierende Halbmasken zum Schutz gegen Partikeln - Anforderungen, Prüfung, Kennzeichnung; Deutsche Fassung EN 149:2001+A1:2009
Please get in touch with the relevant contact person at DIN if you have problems understanding the content of the standard or need advice on how to apply it.