标准摘要
[中文适用范围]： 完整描述 本文件规定了确定呼吸防护装置 (RPD) 视野的实验室测试方法。 [外文原描述]： This document specifies the laboratory test method for determining the field of vision for a respiratory protective device (RPD).
英文名称Respiratory protective devices — Methods of test and test equipment — Part 11: Determination of field of vision