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Pipeline valves. Knife gate valves for trunk pipelines. General specifications
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GX16t-5 capped tubular led lamps. Safety specifications
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State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring phase shift angle and field intensities ratio distribution in apertures of antenna system with operating dimension from 0,5x0,5 to 3x3 m2 at the frequency range from 8,2 to 12 GHz
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State system for ensuring the uniformity of measurements. Measuring electrodes for oxidation reduction potential determination (ORP). Verification procedure
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Test conditions for vertical internal type broaching machines. Testing of the accuracy
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