microphone detection
microphone detection, Total:2 items.
The international standard classification for "microphone detection" includes: .
The Chinese standard classification for "microphone detection" includes: .
Association Francaise de Normalisation
- NF C97-331*NF EN 61094-1:2001 Measurement microphones - Part 1 : specifications for laboratory standard microphones.
- NF C97-335:2003 Measurement microphones - Part 5 : methods for pressure calibration of working standard microphones by comparison.
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