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ISO/PWI 389-1

Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones

General information

00.98     10 qer 2005

ISO

ISO/TC 43

International Standard

Scope

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 389-1:1998

NOW

ABANDON
ISO/PWI 389-1
00.98 Proposal for new project abandoned
10 qer 2005