Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO/TR 389-5:1998)
NORM herausgegeben am 1.8.2000
Designation standards: ČSN EN ISO 389-5
Classification mark: 011630
Catalog number: 59729
Note: UNGÜLTIG
Publication date standards: 1.8.2000
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN