GB/T 4854.7-2008

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

NORMA vydána dne 2.7.2008

Anglicky a čínsky -
Elektronické PDF (4343.60 CZK)

Anglicky a čínsky -

Tištěné (4343.60 CZK)

The information about the standard:

Designation standards: GB/T 4854.7-2008
Publication date standards: 2.7.2008
Country: Chinese technical standard
Kategorie: Technické normy GB