Amends
ISO 389-7:2005
WITHDRAWN
ISO 389-7:2005/Amd 1:2016
95.99
Withdrawal of Standard
Nov 5, 2019
PUBLISHED
ISO 389-7:2019
Acoustics — Reference zero for the calibration of audiometric equipment — Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions — Amendment 1: Reference threshold of hearing at 20 Hz and 18 000 Hz under free-field listening conditions and at 20 Hz under diffuse-field listening conditions
60.60 Standard published
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