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DIN EN 143:2007
Respiratory protective devices - Particle filters - Requirements, testing, marking; German version EN 143:2000 + AC:2005 + A1:2006
This European Standard specifies particle filters for use as components in unassisted respiratory protective devices with the exception of escape apparatus and filtering facepieces. Laboratory tests are included for the assessment of compliance with the r
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Deutsches Institut für Normung [din]