Specification for threshold of hearing by air conduction as a function of age and sex for otologically normal persons.
STANDARD published on 29.2.1988
Designation standards: BS 6951:1988
Note: WITHDRAWN
Publication date standards: 29.2.1988
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: British technical standard
Category: Technical standards BS