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【国际标准】 Acoustics — Hearing protectors — Part 6: Determination of sound attenuation of active noise reduction earmuffs
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标准简介适用范围：
暂无
标准号：
ISO 4869-6:2019 EN
标准名称：
Acoustics — Hearing protectors — Part 6: Determination of sound attenuation of active noise reduction earmuffs
英文名称：
Acoustics — Hearing protectors — Part 6: Determination of sound attenuation of active noise reduction earmuffs标准状态：
现行-
发布日期：
2019-02-01 -
实施日期：
出版语种：
EN
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