Audiometers. Part 4: Equipment for extended high-frequency audiometry
STANDARD published on 1.3.1997
Designation standards: ČSN EN 60645-4
Classification mark: 368811
Catalog number: 21132
Note: WITHDRAWN
Publication date standards: 1.3.1997
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN