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  4. Standard "UNE-EN ISO 389-4:1999"
Standard UNE-EN ISO 389-4:1999 18.11.1999 preview

UNE-EN ISO 389-4:1999

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



STANDARD published on 18.11.1999


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Price78.80 USD excl. VAT
78.80 USD

The information about the standard:

Designation standards: UNE-EN ISO 389-4:1999
Publication date standards: 18.11.1999
SKU: NS-565951
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Spanish technical standard
Category: Technical standards UNE

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