PNE-prEN ISO 389-4
Current
Current
The latest, up-to-date edition.
ACOUSTICS- REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE (ISO 389-4:1994)
Published date
05-02-1999
Publisher
| Committee |
CTN 74
|
| DocumentType |
Standard
|
| PublisherName |
Asociacion Espanola de Normalizacion
|
| Status |
Current
|
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