Standard
[CURRENT]
BS EN ISO 389-4:1995-03-15
Acoustics. Reference zero for the calibration of audiometric equipment. Reference levels for narrow-band masking noise
- German title
- Akustik. Standard-Bezugspegel fuer die Kalibrierung audiometrischer Geraete. Bezugspegel fuer schmalbandige Verdeckungsgeraeusche
- Publication date
-
1995-03-15
- Original language
-
English
- Pages
- 16
- Publication date
-
1995-03-15
- Original language
-
English
- Pages
- 16
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