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Acoustics. Reference zero for the calibration of audiometric equipment. Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz (ISO/TR 389-5:1998)
STANDARD published on 1.10.2001
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Designation standards: STN EN ISO 389-5
Classification mark: 011630
Catalog number: 18472
Note: WITHDRAWN
Publication date standards: 1.10.2001
SKU: NS-538233
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN
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