Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones (ISO 389-8:2004)
NORM herausgegeben am 29.10.2004
Designation standards: UNE-EN ISO 389-8:2004
Publication date standards: 29.10.2004
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE