UNE-EN ISO 389-1:2019

Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones (ISO 389-1:2017)

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STANDARD published on 6.3.2019

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Format	electronic design (pdf) - 72.90 USD Print design - 72.90 USD CD-ROM - 74.60 USD
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72.90 USD

The information about the standard:

Designation standards: UNE-EN ISO 389-1:2019
Publication date standards: 6.3.2019
SKU: NS-945316
The number of pages: 19
Approximate weight : 57 g (0.13 lbs)
Country: Spanish technical standard
Category: Technical standards UNE

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