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Brown coals and hard coals. Methods for the determination of humic acids yields
Document status: Replaced by GOST 9517-94
High pressure vessels and apparatus. Norms and methods of strength calculation. Reinforcement of openings in shells and heads external pressure. Strength calculation under external static loads on the nozzle
Document status: Active
Ethanol as a petrol component. Determination of inorganic chlorides by potentiometric titration
Document status: Active
Titanomagnetite ores, ironvanadium concentrates, agglomerates and pellets. Methods for determination of sulphur
Document status: Active