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Ozonization equipment. Safety requirements

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Petroleum products and lubricants. Determination of acid and base numbers by color-indicator titration

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Aviation fuels. Estimation of net heat of combustion

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Tin concentrates. Methods for the determination of copper content and zinc mass part

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Zink concentrates. Atomic absorption method for determination of copper, lead, cadmium, cobalt, iron, potassium, sodium, gold, silver, indium, calcium and magnesium

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Hydrogen fluoride anhydrous. Specification

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