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Acoustics. Hearing protectors. Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
STANDARD published on 1.2.1996
Designation standards: ČSN ISO 4869-2
Classification mark: 011640
Catalog number: 19247
Note: WITHDRAWN
Publication date standards: 1.2.1996
SKU: NS-179246
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Latest update: 2024-12-21 (Number of items: 2 216 840)
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