National Acoustic Laboratories Library
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ISO/TR 4869-4. Acoustics - hearing protectors. Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs

Material type: TextTextPublication details: Sydney ISO 1998
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Item type Current library Call number Status Date due Barcode
Bound printed item Bound printed item National Acoustic Laboratories ISO?TR 4869-4 Available 311100

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