Acoustics - Hearing protectors - Part 3: Measurement of insertion loss of ear-muff type protectors using an acoustic test fixture (ISO 4869-3:2007)
STANDARD published on 1.1.2008
Designation standards: ČSN EN ISO 4869-3
Classification mark: 011640
Catalog number: 79696
Publication date standards: 1.1.2008
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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