AFNOR - NF EN ISO 4869-3
Acoustics - Hearing protectors - Part 3 : measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 1 October 2008 |
| Status: | active |
| ICS Code (Head protective equipment): | 13.340.20 |
Document History
NF EN ISO 4869-3
October 1, 2008
Acoustics - Hearing protectors - Part 3 : measurement of insertion loss of ear-muff type protectors using an acoustic test fixture
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