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State system for ensuring the uniformity of measurements. Ohmmeters. Methods and means of calibration
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Soil quality. Determination of the potential cation exchange capacity and exchangeable cations using barium chloride solution buffered at pH=8,1
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Soils. Determination of the characteristics of strength and deformability of frozen soils by the method of ball stamping
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Low-voltage electrical installations. Part 7-710. Requirements for special electrical installations. Electrical installations of medical premises
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Protective clothing against liquid chemicals. Determination of the resistance of protective clothing materials to penetration by liquids under pressure
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