Unified system of corrosion and ageing protection. Corrosion-resistant austenitic steels. Electrochemical methods for determination of intercrystalline corrosion resistance
System of standards on information, librarianship and publishing. Representation of extended cyrillic alphabet for information interchange on magnetic types
Conformity assessment system for the use of nuclear energy. Conformity assessment in the form of examination. Unified procedures. Radiographic examination
