Acoustics - Reference zero for the calibration of audiometric equipment - Part 1: Reference equivalent treshold sound pressure levels for pure tones and supra-aural earphones (ISO/DIS 389-1:2016); German version prEN ISO 389-1:2016
German title
Akustik - Standard-Bezugspegel für die Kalibrierung audiometrischer Geräte - Teil 1: Äquivalente Bezugs-Schwellenschalldruckpegel für reine Töne und supra-aurale Kopfhörer (ISO/DIS 389-1:2016); Deutsche Fassung prEN ISO 389-1:2016
Date of issue
2017-02-24
Publication date
2017-03
Original language
German,
English
Pages
31
Date of issue
2017-02-24
Publication date
2017-03
Original language
German,
English
Pages
31
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