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)
STANDARD published on 1.12.2004
Designation standards: STN EN ISO 389-8
Classification mark: 011630
Catalog number: 96952
Publication date standards: 1.12.2004
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Slovak technical standard
Category: Technical standards STN