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State system for ensuring the uniformity of measurements. Radiometers of natural radioactive aerosols. Verification procedure

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State system for ensuring the uniformity of measurements. Measuring instruments of artificial radioactive aerosols volumetric activity. Verification procedure

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State system for ensuring the uniformity of measurements. Second class reference line gauges and fifth accuracy class working line gauges. Verification procedure

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State system for ensuring the uniformity of measurements. Measuring instruments of a volumetric activity of the vaporous iodine-131. Methods of verification

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State system for ensuring the uniformity of measurements. Certified reference materials of composition of substances and materials. Interlaboratory metrological certification. Content and order of works

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State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of electrical power and energy in the frequency range from 1 to 2500 Hz

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