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); German version EN ISO 389-1:2018
German title
Akustik - Standard-Bezugspegel für die Kalibrierung audiometrischer Geräte - Teil 1: Äquivalente Bezugs-Schwellenschalldruckpegel für reine Töne und supra-aurale Kopfhörer (ISO 389-1:2017); Deutsche Fassung EN ISO 389-1:2018
Publication date
2018-06
Original language
German
Pages
19
Publication date
2018-06
Original language
German
Pages
19
DOI
https://dx.doi.org/10.31030/2757944
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