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EVS-EN 14654-1:2021 Äravoolu- ja kanalisatsioonisüsteemid väljaspool hooneid : käitustegevuste haldamine ja kontroll. Osa 1, Üldnõuded = Drain and sewer systems outside buildings : management and control of activities. Part 1, General requirements
Translator: Valdu Suurkask, Author: Eesti Standardimis- ja Akrediteerimiskeskus