Russian standards

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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Basic norms of interchangeability. Woodruff keys and keyways

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Microcalculators. Symbols and symbolic functional names of control response

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Key-slotted plug-gauges with diameter from 9 to 18 mm. Design and dimensions

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