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Instruments for physical-chemical quantities measurement. Radiospectrometers. Terms
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System of ensuring geometrical parameters accuracy in construction. Control of accuracy
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State system for ensuring the uniformity of measurements. National standard. Standard reference data. Segnetoelectric ceramic materials based on niobates of sodium and potassium. Dielectric and piezoelectric characteristics at temperatures from 0°C to 100°C
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Plastics pipes and fittings. Equipment for fusion jointing polyethylene systems. Part 4. Traceability coding
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