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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)
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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English PDF
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78.94 USD
English Hardcopy
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Spanish PDF
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78.94 USD
Spanish Hardcopy
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78.94 USD
| Standard number: | UNE EN ISO 389-9:2010 |
| Pages: | 17 |
| Released: | 2010-01-13 |
| Status: | Standard |
| Pages (Spanish): | 16 |
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