gb20248
gb20248, Total:1 items.
The international standard classification for "gb20248" includes: Acoustics and acoustic measurements .
The Chinese standard classification for "gb20248" includes: Acoustic Measurement .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 20248-2006 Acoustics - Measurement of sound pressure levels in the interior of aircraft during flight
