Russian standards PDF
The state system of measurement assurance. Standard ac voltage and current thermal converters. Methods and instruments of verification
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State system for ensuring the uniformity of measurements. Measuring instruments of direct current in the range from 1•10-15 to 1•10-9A. Verification procedure
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State system for ensuring the uniformity of measurements. In house reference materials, reference materials of the branches. The general requirements
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State system for ensuring the uniformity of measurements. Theodolites. Verification procedure
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State system for ensuring the uniformity of measurements. Moisture meters of wood and sawn timber. Verification procedure
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State system of assurance of measurement uniformity. Metrological supervision performed by the metrological services of legal entities. General principles
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