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AENOR - UNE-EN ISO 389-4

ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE (ISO 389-4:1994)

active, Most Current
Organization: AENOR
Publication Date: 18 November 1999
Status: active
Page Count: 14
ICS Code (Noise with respect to human beings): 13.140

Document History

UNE-EN ISO 389-4
November 18, 1999
ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE (ISO 389-4:1994)
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References

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