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Pipeline valves for objects of gas industry. General specifications
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Plants illumination in greenhouses. Terms and definitions
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Refrigeration systems and heat pumps. Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes. Requirements and classification
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Refractory products with less than 45 % true porosity. Method for determination of compressive strength at room temperature. Part 2. Test with packings
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State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of power of electromagnetic oscillations in coaxial and waveguide lines in the frequency range 0,03 to 37,5 GHz
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