Norm
[AKTUELL]
AS ISO 389.5
AS ISO 389.5
Acoustics - Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones in frequency range 8 kHz to 16 kHz
Titel (englisch)
Acoustics - Reference zero for the calibration of audiometric equipment Reference equivalent threshold sound pressure levels for pure tones in frequency range 8 kHz to 16 kHz
