State system for ensuring the uniformity of measurements of the Republic of Uzbekistan. Measuring the flow and quantity of liquids and gases by differential pressure method. Allowance for change in the inner diameter of the measuring pipe during gas flow rate measurement. Replaces RD Uz 51-059-97
Testing of agricultural equipment. Machines and instruments for treatment of clean-tilled crops. Methods for testing agrotechnical investigation. Replaces O’z RH 63-07-2001
€20
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