State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. Measurements of the flow and quantity of liquids and gases by differential pressure method. Determination of the correction factor for blunting of the leading edge of the aperture of a diaphragm. Replaces RD Uz 51-072-98, RD Uz 51-059-97
State registration numbers with a reflective coating and protective elements for tractors, tractor trailers, road construction and reclamation machinery, self- propelled machines