DIN EN 149-2009 呼吸防护器.防颗粒吸入的过滤半罩式面罩.要求,试验,标识(包括修改件A1-2009).英文版本DIN EN 149-2009-08
Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking (includes Amendment A1:2009); English version of DIN EN 149:2009-08
This European Standard specifies minimum requirements for filtering half masks as respiratory
protective devices to protect against particles except for escape purposes.
Laboratory and practical performance tests are included for the assessment of compliance with the
requirements.