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BS EN ISO 389-4:1999
Acoustics. Reference zero for the calibration of audiometric equipment partTitleEN sectionTitleENMore info
| Author | BSI |
|---|---|
| Published by | BSI |
| Document type | Standard |
| Format | File |
| EAN ISBN | 0 580 23599 8 |
| ICS | 11.040.01 : Medical equipment in general 13.140 : Noise with respect to human beings |
| Number of pages | 16 |
| Replace | BS 7113:1989 |
| Cross references | EN ISO 389-4:1998 |
| Year | 1990 |
| Country | United Kingdom |