标准摘要
[中文适用范围]： 本文件根据其分类规定了所提供的呼吸气体呼吸保护装置 (RPD) 的性能和测试要求，以及在工作场所使用以保护佩戴者免受危险大气和/或环境影响的要求。 [外文原描述]： 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.
英文名称Respiratory protective devices — Performance requirements — Part 4: Requirements for supplied breathable gas RPD