UNE 20644:1982

IEC PROVISIONAL REFERENCE COUPLER FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY

NORMA vydána dne 15.10.1982

The information about the standard:

Designation standards: UNE 20644:1982
Publication date standards: 15.10.1982
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE