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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)
Automatically translated name:
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 published on 13.1.2010
Designation standards: UNE-EN ISO 389-9:2010
Publication date standards: 13.1.2010
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Spanish technical standard
Category: Technical standards UNE
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