Petroleum products and lubricants. Petroleum oils and other fluids. Determination of rust-preventing properties in the presence of water
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Brown coals, hard coals, anthracite and combustible shales. Method for sampling of seam samples
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Petroleum products. Potentiometric method for determination of mercaptan sulphur
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Motor oils. Method of testing their tendency to form deposits at low temperatures
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Zinc concentrates. Method for the determination of fluorine
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