Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005 + Amd 1:2016) (consolidated version)
NORM herausgegeben am 15.3.2017
Designation standards: ÖNORM EN ISO 389-7
Note: UNGÜLTIG
Publication date standards: 15.3.2017
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM