Porous aggregates for light concretes used in the construction of oil and gas offshore structures. Recommendations for improving operational properties
State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of polarization mode dispersion in optical fiber
State system for ensuring the uniformity of measurements. Measurement of liquids and gases flow rate and quantity by means of orifice instruments. Part 3. Nozzles and Venturi nozzles. Technical requirements
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