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Stationary distillation desalting units. Methods of washing solution chemical analysis at the equipment cleaning
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Alumina. Methods of spectral analysis. Determination of silicon dioxide, iron oxide, sodium oxide and magnum oxide
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Petroleum products. Fuels (class F).Classification. Part 3. Family L (liquefied petroleum gases)
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Surface-active substances. Method of determination of free polyethylene glycol and an active substance in nonionic surface-active substances
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