ISO 389:1975/Add 1:1983

Acoustics — Reference zero for the calibration of audiometric equipment — Addendum 1

Current stage: 95.99 Withdrawal of Standard Mar 1, 1991

Originator: ISO

Owner: ISO/TC 43 Acoustics

Type: International Standard

ICS: 13.140 Noise with respect to human beings

WITHDRAWN
ISO 389:1975/Add 1:1983
95.99 Withdrawal of Standard
Mar 1, 1991