UNE-EN ISO 389-2:1997
Current
Current
The latest, up-to-date edition.
ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 2: REFERENCE EQUIVALENT THRESHOLD SOUND PRESSURE LEVELS FOR PURE TONES AND INSERT EARPHONES. (ISO 389-2:1994).
Available format(s)
Hardcopy , PDF
Language(s)
Spanish, Castilian, English
Published date
04-02-1997
Publisher
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