SN - NS-ISO 4869-1:1990
Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation - (= EN 24869-1:1992) (ISO 4869-1:1990)
inactive, Most Current
| Organization: | SN |
| Publication Date: | 1 December 1992 |
| Status: | inactive |
| ICS Code (Head protective equipment): | 13.340.20 |
Document History
NS-ISO 4869-1:1990
December 1, 1992
Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation - (= EN 24869-1:1992) (ISO 4869-1:1990)
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