Russian standards PDF
State system for ensuring the uniformity of measurements. Quantities, units, scales of measurement, which are used in global navigation satellite system
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State system for ensuring the uniformity of measurements. Estimation of errors of measurements of thermal energy and weight of the heat-carrier of water systems of the heat supply
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State system for ensuring the uniformity of measurements. Reference materials of materials (substance). Basic principles
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State system for ensuring the uniformity of measurements. Coulometric hygrometers. General technical specifications
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State system for ensuring the uniformity of measurements. Disperse composition of gas atmospheres. Determination of nano particle size by differential electrical mobility analysis for aerosol particles
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State system for ensuring the uniformity of measurements. Certified reference materials of composition of gas Mixtures. General metrological and technical requirements
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