OS GSO EN 149:2020
Omani Standard
Current Edition
·
Approved on
10 May 2020
Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing, marking
OS GSO EN 149:2020 Files
English
37 Pages
Current Edition
Reference Language
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OS GSO EN 149:2020 Scope
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.
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