BSI BS EN ISO 389-2:1997

Current Revision
Acoustics. Reference zero for the calibration of audiometric equipment -- Reference equivalent threshold sound pressure levels for pure tones and insert earphones

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BSI BS EN ISO 389-2:1997

Acoustics. Reference zero for the calibration of audiometric equipment -- Reference equivalent threshold sound pressure levels for pure tones and insert earphones

PUBLISH DATE 1997
BSI BS EN ISO 389-2:1997

REFERENCE EQUIVALENT THRESHOLD

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