GOST 17731-79

State system for ensuring the uniformity of measurements. Metrological assurance. Assessment of state at industrial plants, organizations and corporations

Steel. Metallographic methods for the determination of nonmetallic inclusions

Industrial fabrics. Methods for determination of test strength

Risk management. Fire risk management in enterprise

State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of current ratio and phase displacement for sinusoidal current

Tungsten concentrate. Method of determination of silicon dioxide