UNE-EN ISO 389-7:1998

ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS. (ISO 389-7:1996).

NORMA vydaná dňa 30.7.1998

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The information about the standard:

Designation standards: UNE-EN ISO 389-7:1998
Note: NEPLATNÁ
Publication date standards: 30.7.1998
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE