Acoustics - Reference zero for the calibration of audiometric equipment - Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators (ISO 389-3:1994)
NORM herausgegeben am 1.5.1999
Designation standards: ÖNORM EN ISO 389-3
Note: UNGÜLTIG
Publication date standards: 1.5.1999
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM