ÖNORM EN ISO 389

Acoustics - Standard reference zero for the calibration of pure-tone air conduction audiometers (ISO 389:1991)

NORM herausgegeben am 1.5.1996

The information about the standard:

Designation standards: ÖNORM EN ISO 389
Note: UNGÜLTIG
Publication date standards: 1.5.1996
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM