BSI - BS EN ISO 4869-3
Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
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| Organization: | BSI |
| Publication Date: | 31 August 2007 |
| Status: | active |
| Page Count: | 22 |
| ICS Code (Head protective equipment): | 13.340.20 |
Document History
BS EN ISO 4869-3
August 31, 2007
Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
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