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Fertilizers. Extraction and determination of elemental sulfur
Document status: Active
Occupational safety standarts system. Filtering respiratory protective device. Self-rescuer filtering for protection against carbon monoxide with a mouthpiece assembly. General specifications
Document status: Active
Contour bars for blades and bars for coupling blades of steam turbines made of corrosion-resistant and high-temperature steel
Document status: Active
Platinum. Method for determination of mass losses after ignition
Document status: Cancelled