
Standard reference zero for the calibration of pure-tone air-conduction audiometers
NORM herausgegeben am 1.6.1983
Designation standards: ÖNORM K2510
Note: UNGÜLTIG
Publication date standards: 1.6.1983
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM