Russian standards PDF
Yttrium, lanthanum, ytterbium, lutetium and their oxides. Chemical-spectral method of determination of impurities of vanadium, tungsten, iron, cobalt, manganese, copper, molybdenum, nickel, niobium, lead, tantalum, titanium and chromium
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Nickel-based fire-resistant alloys. Methods for the determination of antimony
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Nickel-based fire-resistant alloys. Methods for the determination of sulphur
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Agricultural machinery. Methods of operational-technological evaluation. Design stage
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Basic norms of interchangeability. Woodruff keys and keyways
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