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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 conditions.
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STANDARD published on 1.6.2020
Designation standards: DIN EN ISO 389-7:2020-06
Publication date standards: 1.6.2020
SKU: NS-991464
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: German technical standard
Category: Technical standards DIN
Akustik - Standard-Bezugspegel für die Kalibrierung von audiometrischen Geräten - Teil 7: Bezugshörschwellen unter Freifeld- und Diffusbedingungen.
Latest update: 2026-07-29 (Number of items: 2 290 440)
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