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Niobium. Spectral method for the determination of silicon, titanium and iron

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State system for ensuring the uniformity of measurements. Analogue electronic a.c. Voltmeters. Methods of verification

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Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering/survey methods for use in situ in a reverberant environment

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Steel and alloy products made by injection molding of polymeric materials highly filled with metal powders (MIM-technology). General specifications

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Melted welding fluxes. Method of sulphur determination

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Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)

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