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Sulfide copper-nickel ore. Mass-spectrometry method for determination of platinum, palladium, rhodium, ruthenium, iridium and cold content with preliminary collecting for nickel matte
Document status: Active
Electro-optical elements for optical modulators and deflectors. Electro-optical intensity and polarization modulators. Parameters system
Document status: Active
Spongy titanium. Specifications
Document status: Replaced by GOST 17746-96