OS GSO ISO 17420-4:2025
ISO 17420-4:2021
Omani Standard
Current Edition
·
Approved on
22 April 2025
Respiratory protective devices — Performance requirements — Part 4: Requirements for supplied breathable gas RPD
OS GSO ISO 17420-4:2025 Files
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OS GSO ISO 17420-4:2025 Scope
This document specifies requirements for the performance and testing of supplied breathable gas respiratory protective devices (RPD) in accordance with their classification and for use in the workplace to protect the wearer from hazardous atmospheres and/or environments.
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