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Silicon carbide refractory materials and products. Methods for the determination of free carbon

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Double clamping collars for centrifugal moulds. Construction and dimensions

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Plastics piping systems. Test method for the resistance of plastic pipe/pipe or pipe/fitting assemblies to tensile loading

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United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic elimination of asynchronous mode. Norms and requirements

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State system for ensuring the unification of measurements. State special standard and state verification schedule for means measuring radiation field parameters of antenna systems with aperture dimensions from 5 to 100 m and of the airborne antennas within the frequency range from 0,3 to 3,0 GHz

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State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of the amplitude modulation index

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