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Welding. Laser-arc hybrid welding of steels, nickel and nickel alloys. Quality levels for imperfections
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Unified system of corrosion and ageing protection. Metals and alloys. Methods for determination of corrosion and corrosion resistance indices
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Man-made fiber and tow. Method of determination for electric resistance
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Alcoholic production. Identification. Method for determination the relation of isotopes C13/C12 carbon dioxide in sparkling wines and fermentation drinks
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