ISO 389-2:1994

Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones

NORMA vydána dne 7.7.1994

The information about the standard:

Designation standards: ISO 389-2:1994
Publication date standards: 7.7.1994
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: International technical standard
Kategorie: Technické normy ISO