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Petroleum and petroleum products. Determination of sulfur content by wavelength dispersive X-ray fluorescence spectrometry method

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Ferrotitanium, ferromolybdenum and ferrovanadium. Sampling and sample preparation methods for chemical and physical-chemical an

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Basic norms of interchangeability. Bevel and hypoid gears. Tolerances

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State system for ensuring the uniformity of measurements. Fuel oil mass. Measurement procedure in horizontal storage tanks by indirect method of static measurements. General metrological requirements

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Enzyme preparations for food industry. Methods for determination of amylase activity

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State system for ensuring the uniformity of measurements. Standards of inductance and mutual inductance. Calibration procedure

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