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Japanese Industrial Standard / Japanese Standards Association, 01/01/2020
Publisher: JIS
File Format: PDF
$51.00$102.00
Published:01/01/2020
Pages:31
File Size:1 file , 450 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
This Standard specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing. This Standard is applicable to hearing protectors, including earplugs and earmuffs, that are commonly used to reduce the noise to which ear is exposed.
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