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BSI - BS EN ISO 4869-4

Acoustics - Hearing Protectors - Part 4: Measurement of Effective Sound Pressure Levels for Level-Dependent Sound-Restoration Ear Muffs

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Organization: BSI
Publication Date: 15 August 2000
Status: active
Page Count: 18
ICS Code (Head protective equipment): 13.340.20
ICS Code (IT Security): 35.030

Document History

BS EN ISO 4869-4
August 15, 2000
Acoustics - Hearing Protectors - Part 4: Measurement of Effective Sound Pressure Levels for Level-Dependent Sound-Restoration Ear Muffs
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References

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