GOST R ISO 389-4-2011

State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 4. Reference levels for narrow-band masking noise

STANDARD published on 1.12.2012

English and Russian -
electronic design (pdf) (263.00 USD)

English and Russian -

Print design (263.00 USD)

Russian -

electronic design (pdf) (63.70 USD)

Russian -

Print design (63.70 USD)

The information about the standard:

Designation standards: GOST R ISO 389-4-2011
Publication date standards: 1.12.2012
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Category: Technical standards GOST