Acoustics - Determination of occupational noise exposure - Engineering method (ISO 9612:2009); German version EN ISO 9612:2009
German title
Akustik - Bestimmung der Lärmexposition am Arbeitsplatz - Verfahren der Genauigkeitsklasse 2 (Ingenieurverfahren) (ISO 9612:2009); Deutsche Fassung EN ISO 9612:2009
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