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sklademVydáno: 2000-08-15
BS EN ISO 4869-4:2000
Acoustics. Hearing protectors Measurement of effective sound pressure levels for level-dependent sound-restoration ear muffs
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| Označení normy: | BS EN ISO 4869-4:2000 |
| Počet stran: | 18 |
| Vydáno: | 2000-08-15 |
| ISBN: | 0 580 34952 7 |
| Status: | Standard |
DESCRIPTION
BS EN ISO 4869-4:2000
This standard BS EN ISO 4869-4:2000 Acoustics. Hearing protectors is classified in these ICS categories:
- 13.340.20 Head protective equipment
- 35.030 IT Security