GOST R 53435-2009

Occupational safety standards system. Respiratory protective devices. Gas filters and combined filters of large external dimensions. General specifications

Solid fuel. Determination of forms of sulphur

Hexamethylenetetramine for industrial use. Specifications

United power system and isolated power systems. Electrical networks. Ice-melting systems on conductors and ground-wire cable of the overhead transmission line. The choice and basis of principal technical solutions

Graphical symbols. Technical guidelines for the consideration of consumers' needs

Cleanrooms and associated controlled environments. Part 10. Classification of surface cleanliness by chemical concentration