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>UNE standards>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)
in stockReleased: 2010-01-13
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)

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)

Acústica. Cero de referencia para la calibración de equipos audiométricos. Parte 9: Condiciones de ensayo preferidas para la determinación de los niveles umbral de audición de referencia (ISO 389-9:2009)

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Standard number:UNE EN ISO 389-9:2010
Pages:17
Released:2010-01-13
Status:Standard
Pages (Spanish):16
DESCRIPTION

UNE EN ISO 389-9:2010