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Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditionsTranslate name
STANDARD published on 1.6.2020
Designation standards: ČSN EN ISO 389-7
Classification mark: 011630
Catalog number: 509683
Publication date standards: 1.6.2020
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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