Acoustics. Reference zero for the calibration of audiometric equipment. Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators
NORM herausgegeben am 1.5.1996
Designation standards: ČSN ISO 389-3
Classification mark: 011630
Catalog number: 19348
Note: UNGÜLTIG
Publication date standards: 1.5.1996
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN