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Hlavní stránka>BS EN ISO 389-9:2009 Acoustics. Reference zero for the calibration of audiometric equipment Preferred test conditions for the determination of reference hearing threshold levels
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sklademVydáno: 2010-02-28
BS EN ISO 389-9:2009 Acoustics. Reference zero for the calibration of audiometric equipment Preferred test conditions for the determination of reference hearing threshold levels

BS EN ISO 389-9:2009

Acoustics. Reference zero for the calibration of audiometric equipment Preferred test conditions for the determination of reference hearing threshold levels

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Označení normy:BS EN ISO 389-9:2009
Počet stran:16
Vydáno:2010-02-28
ISBN:978 0 580 70520 5
Status:Standard
Popis

BS EN ISO 389-9:2009


This standard BS EN ISO 389-9:2009 Acoustics. Reference zero for the calibration of audiometric equipment is classified in these ICS categories:
  • 13.140 Noise with respect to human beings

This part of ISO 389 specifies test conditions for determining the hearing thresholds of subjects for the purpose of establishing standardized values for reference hearing threshold levels.


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