UNE 74020:1991
Superseded
Superseded
ACOUSTICS. STANDARD REFERENCE ZERO FOR THE CALIBRATION OF PURE TONE AIR CONDUCTION AUDIOMETERS.
Published date
09-09-1991
Publisher
Superseded date
05-21-1996
Sorry this product is not available in your region.
| Committee |
CTN 74
|
| DocumentType |
Standard
|
| PublisherName |
Asociación Española de Normalización
|
| Status |
Superseded
|
| Standards | Relationship |
| ISO 389:1985 | Identical |
| ISO 389:1991 | Identical |
Summarise
Sorry this product is not available in your region.