GOST 23789-2018

Steel vessels. Bellows type expansion joints. Strength calculation methods

Luminaires. Part 2. Particular requirements. Section 3. Luminaires for street and road lighting

Arc welding equipment. Part 8. Gas consoles for welding and plasma cutting systems

Water quality. Requirements for graphical representation of the main structural elements and technological relationships between them for centralized wastewater disposal systems of settlements and surface runoff

Rare-earth metals and their oxides. Methods of determination of sodium, potassium, calcium

Product-quality index system. Press moulds for manufacturing of plastic articles. Index nomenclature