GOST 25485-89

State system for ensuring the uniformity of measurements. Disperse composition of gas atmospheres. Determination of nano particle size by differential electrical mobility analysis for aerosol particles

Polymer composite frame for reinforcement of concrete structures. Methods for determination of characteristics of resistance to the corrosive media

Powder materials. Tensile test method

State system for ensuring the uniformity of measurements. Low power SHF wattmeters of frequency range 0,02-178,6 GHz. Verification and calibration methods

Metal-cutting machine tools. Methods of checking cylindrical specimens for size constancy within one batch

Hot-smoked fish. Specifications