UNI EN ISO 4869-1:2019现行
Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation
出版：Ente Nazionale Italiano di Unificazione (UNI)
专家解读视频
基本信息
标准编号： UNI EN ISO 4869-1:2019
标准类别：Standard
出版单位：Ente Nazionale Italiano di Unificazione (UNI)
标准页数：0
标准简介
This document specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing.
等同采用的国际标准
ISO 4869-1:2018 - Identical
EN-ISO 4869-1: 2018 - Identical
ISO 4869-1:2018 - Identical
EN-ISO 4869-1: 2018 - Identical
EN ISO 4869-1:2018 - Identical
