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Occupational safety standarts system. Hearing protectors. Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
STANDARD published on 1.1.2002
Designation standards: GOST R 12.4.212-99
Note: WITHDRAWN
Publication date standards: 1.1.2002
SKU: NS-398374
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: Russian technical standard
Category: Technical standards GOST
Latest update: 2026-02-20 (Number of items: 2 263 594)
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