UNE-EN ISO 389:1996

ACOUSTICS. STANDARD REFERENCE ZERO FOR THE CALIBRATION OF PURE-TONE AIR CONDUCTION AUDIOMETERS. (ISO 389:1991).

NORM herausgegeben am 21.5.1996

The information about the standard:

Designation standards: UNE-EN ISO 389:1996
Note: UNGÜLTIG
Publication date standards: 21.5.1996
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE