ISO 389:1975/Add 2:1986

Acoustics — Reference zero for the calibration of audiometric equipment — Addendum 2

Current stage: 95.99 Withdrawal of Standard Mar 5, 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WITHDRAWN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 2:1986
95.99 Withdrawal of Standard
Mar 5, 1991