UNE-EN ISO 389-4:1999

ACOUSTICS. REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT. PART 4: REFERENCE LEVELS FOR NARROW-BAND MASKING NOISE (ISO 389-4:1994)

NORMA vydaná dňa 18.11.1999

Anglicky -
Elektronické PDF (68.20 EUR)

Anglicky -

Tlačené (75.00 EUR)

Španielsky -

Elektronické PDF (56.80 EUR)

Španielsky -

Tlačené (62.50 EUR)

The information about the standard:

Designation standards: UNE-EN ISO 389-4:1999
Publication date standards: 18.11.1999
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE