GB/T 7342-1987

IEC provisional reference coupler for the calibration of earphones used in audiometry

STANDARD published on 28.2.1987

English, Chinese -
electronic design (pdf) (298.80 USD)

The information about the standard:

Designation standards: GB/T 7342-1987
Note: WITHDRAWN
Publication date standards: 28.2.1987
Country: Chinese technical standard
Category: Technical standards GB