GB/T 4854.1-1999

Acoustics—Reference zero for the calibration of audiometric equipment—Part 1:Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones

STANDARD published on 8.3.1999

English, Chinese -
electronic design (pdf) (548.80 USD)

English, Chinese -

Print design (548.80 USD)

The information about the standard:

Designation standards: GB/T 4854.1-1999
Note: WITHDRAWN
Publication date standards: 8.3.1999
Country: Chinese technical standard
Category: Technical standards GB