GSO ISO 4869-6:2022

Acoustics — Hearing protectors — Part 6: Determination of sound attenuation of active noise reduction earmuffs

标准号

GSO ISO 4869-6:2022

发布

2022年

发布单位

GSO

当前最新

GSO ISO 4869-6:2022

 

 

This document is concerned with active noise reduction (ANR) earmuffs. It specifies the test methods for the determination of the active insertion loss and calculation procedures f...

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