Acoustics. Threshold of hearing by air conduction as a function of age and sex for otologically normal persons
STANDARD published on 1.5.1993
Designation standards: STN ISO 7029
Classification mark: 011631
Catalog number: 50225
Note: WITHDRAWN
Publication date standards: 1.5.1993
Approximate weight : 21 g (0.05 lbs)
Country: Slovak technical standard
Category: Technical standards STN