NORMSERVIS s.r.o.

UNE-EN ISO 389-7:2021

Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)

NORMA vydaná dňa 20.1.2021

Anglicky -
Elektronické PDF (80.00 EUR)
Anglicky -
Tlačené (80.00 EUR)
Anglicky -
CD-ROM (81.50 EUR)


Španielsky -
Elektronické PDF (66.60 EUR)
Španielsky -
Tlačené (66.60 EUR)
Španielsky -
CD-ROM (68.10 EUR)

The information about the standard:

Designation standards: UNE-EN ISO 389-7:2021
Publication date standards: 20.1.2021
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE