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Titanium and titanium alloys. Methods of oxygen determination
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Determination of regulated substances in electrotechnical products. Part 7-1. Hexavalent chromium. Presence of hexavalent chromium Cr(VI) in protective coatings on metals by the colorimetric method
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Basic norms of interchangeability. Metrical MJ thread. Profile, general plan, tolerances
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Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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Automatic emission and discharge control systems. Automatic control systems for pollutant emissions. Normal conditions
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