UNE-EN ISO 389-7:1998
Superseded Standard
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UNE-EN ISO 389-7:1998

ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS. (ISO 389-7:1996).
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Publisher Asociacion Espanola de Normalizacion y Certificacion (AENOR)
Publication Date 07/30/1998
Cancellation Date 02/15/2006
Page Count 18
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