DIN ISO 389-9
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO/CD 389-9:2005)
inactive, Most Current
| Organization: | DIN |
| Publication Date: | 1 July 2006 |
| Status: | inactive |
| Page Count: | 21 |
| ICS Code (Noise with respect to human beings): | 13.140 |
Document History
DIN ISO 389-9
July 1, 2006
Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference hearing threshold levels (ISO/CD 389-9:2005)
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