Akustika - Zero e referimit për kalibrimin e pajisjeve audiometrike - Pjesa 9: Kushtet e preferuara të provës për përcaktimin e niveleve të referimit të pragut të dëgjimit (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 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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NOW
PUBLISHED SSH EN ISO 389-9:2009 60.60
Standard published 1 jan 2009
Related project
Adopted from
EN ISO 389-9:2009
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