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Motor oils. Method for the determination of corrosive properties and oxidability at PZZ plant

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Residual fuel oils. Test for straight-run. Method for determination of xylene equivalent

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Graphite. Method for determination of granulometric composition

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Natural gas. Determination of composition with defined uncertainty by gas chromatography method. Part 6. Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns

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Petroleum products. Methods for the determination of mechanical impurities

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Carbonaceous materials for the production of aluminium. Cathode block materials. Part 2. Determination of the expansion due to sodium penetration without application of pressure

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