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State system for ensuring the uniformity of measurements. Estimation of errors of measurements of thermal energy and weight of the heat-carrier of water systems of the heat supply
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Screwdrivers for fitting and assembling. Blades of screwdrivers of slotted screws and woodscrews. Dimensions
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Rubber and plastics hoses and tubing. Measurement of flexibility and stiffness. Part 2. Bending test at sub-ambient temperatures
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