BS EN ISO 389-7:2005+A1:2016

Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing under free-field and diffuse-field listening conditions.

NORMA vydaná dňa 31.10.2016

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The information about the standard:

Designation standards: BS EN ISO 389-7:2005+A1:2016
Note: NEPLATNÁ
Publication date standards: 31.10.2016
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategória: Technické normy BS