Russian standards
Vessels and apparatus. Norms and methods of strength calculation. Strength and leak-tightness calculation of flange joints
Document status: Active
Dusts of non-ferrous metallurgy enterprises. Method of arsenic mass content measuring
Document status: Active
Manganese ores, concentrates and agglomerates. Methods for the determination of silicon dioxide
Document status: Active
Dark-coloured raw material for surfactants. Method of determination of an acid value
Document status: Active