GOST 213-83

The best available techniques. Method of hydrodynamic supercavitation for biological wastewater treatment. General requirements

Hexagon thin slotted and castle nuts, accuracy class A. Construction and dimensions

Household and similar electrical appliances. Test code for determination of airborne acoustical noise. Part 2-4. Particular requirements for washing machines and spin extractors

High frequency magnet malleable materials. Testing methods at the range from 200 to 2000 mc

State system for ensuring the uniformity of measurements. Metrology. Terms and definitions

Dental root canal sealing materials. General technical requirements. Test methods