标准编号：ISO 17420-4:2021
中文名称：呼吸保护装置 性能要求 第4部分：供应呼吸气体RPD的要求
英文名称：Respiratory protective devices — Performance requirements — Part 4: Requirements for supplied breathable gas RPD
发布日期：2021-01
标准范围
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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