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EVS-EN 12341:2023 Välisõhk : standardne kaalumismeetod suspendeerunud osakeste PM₁₀ või PM₂,₅ massikontsentratsiooni määramiseks = Ambient air : standard gravimetric measurement method for the determination of the PM₁₀ or PM₂,₅ mass concentration of su...
Eesti Standardimis- ja Akrediteerimiskeskus, Arulco (osaühing)
