UNE-EN ISO 389-9:2010
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009)
- Standard No.
- UNE-EN ISO 389-9:2010
- Release Date
- 2010
- Published By
- AENOR
- Latest
- UNE-EN ISO 389-9:2010
UNE-EN ISO 389-9:2010 history
- 2010 UNE-EN ISO 389-9:2010 Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO 389-9:2009)
