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State system for ensuring the uniformity of measurements. Natural gas. Compression factor of gas phase. Method of calculation based on gas physical properties
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Ammonium nitrate for industrial use. Determination of matter insoluble in water content. Gravimetric method
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Ion-exchange resins. Methods of determining dynamic ion-exchange capacity
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Metal frame yield supports. Trapezoid supports. General specifications
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Carbonaceous materials for the production of aluminium. Petroleum coke. Determination of trace metals by inductively coupled plasma atomic emission spectrometry
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