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Petroleum products. Determination of carbon residue. Conradson method
Document status: Active
East Siberia coals for power supply purposes. Specifications
Document status: Active
Titanomagnetite ores, ironvanadium concentrates, agglomerates and pellets. Methods for determination of silicon dioxide
Document status: Active
Low-sulphur petroleum cokes. Specifications
Document status: Replaced by GOST 22898-2025
