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Displaying 1-12 of 48 results.
ISO 16:1975
standard
EN
Acoustics Standard tuning frequency (Standard musical pitch)
45.55 €
ISO 226:2003
standard
EN
Acoustics Normal equal-loudness-level contours
68.85 €
ISO 226:2023
standard
EN
Acoustics — Normal equal-loudness-level contours
139.82 €
ISO 266:1997
standard
EN
Acoustics Preferred frequencies
45.55 €
ISO 389-1:1998
standard
EN
Acoustics Reference zero for the calibration of audiometric equipment
68.85 €
ISO 389-1:2017
standard
EN
Acoustics Reference zero for the calibration of audiometric equipment
68.85 €
ISO 389-2:1994
standard
EN
Acoustics Reference zero for the calibration of audiometric equipment
68.85 €
ISO 389-3:1994
standard
EN
Acoustics Reference zero for the calibration of audiometric equipment
68.85 €
ISO 389-3:1994/Cor 1:1995
corrigendum
EN
0.00 €
ISO 389-3:2016
standard
EN
Acoustics Reference zero for the calibration of audiometric equipment
103.80 €
ISO 389-4:1994
standard
EN
Acoustics Reference zero for the calibration of audiometric equipment
45.55 €
ISO 389-5:2006
standard
EN
Acoustics Reference zero for the calibration of audiometric equipment
45.55 €