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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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