Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005)
STANDARD published on 1.4.2006
Designation standards: STN EN ISO 389-7
Classification mark: 011630
Catalog number: 100596
Note: WITHDRAWN
Publication date standards: 1.4.2006
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Slovak technical standard
Category: Technical standards STN