ACOUSTICS. PURE TONE AIR CONDUCTION THRESHOLD AUDIOMETRY FOR HEARING CONVERSATION PURPOSES.
STANDARD published on 13.2.1992
Designation standards: UNE 74151:1992
Note: WITHDRAWN
Publication date standards: 13.2.1992
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Spanish technical standard
Category: Technical standards UNE