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Homepage>ISO Standards>ISO 389-9:2009-Acoustics — Reference zero for the calibration of audiometric equipment-Part 9: Preferred test conditions for the determination of reference hearing threshold levels
download between 0-24 hoursReleased: 2009
ISO 389-9:2009-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

ISO 389-9:2009-Acoustics — Reference zero for the calibration of audiometric equipment-Part 9: Preferred test conditions for the determination of reference hearing threshold levels

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English PDF
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70.00 EUR
English Hardcopy
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French PDF
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French Hardcopy
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Standard´s number:ISO 389-9:2009
Pages:9
Edition:1
Released:2009
DESCRIPTION

ISO 389-9:2009


ISO 389-9:2009 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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