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  4. Standard "UNE-EN ISO 389-7:2021"
Standard UNE-EN ISO 389-7:2021 20.1.2021 preview

UNE-EN ISO 389-7:2021

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)

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STANDARD published on 20.1.2021


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The information about the standard:

Designation standards: UNE-EN ISO 389-7:2021
Publication date standards: 20.1.2021
SKU: NS-1016949
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Spanish technical standard
Category: Technical standards UNE

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