GOST 9.602-2005 Unified system of corrosion and ageing protection. Underground constructions. General requirements for corrosion protection*, 2023-12-23 Update
GOST R 56512-2015 Non-destructive testing. Metod of magneting particle testing. Standard technological processes*, 2023-12-23 Update
GOST 34181-2017 history
2017GOST 34181-2017 Trunk pipelines for oil and oil products transportation. Technical diagnosis. Main principles