Non-ferrous metals. Determination of grain size by calculation of grain intersections
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Oscillator, modulator and regulation tubes with anode dissipated above 25 W. Method of measurement of cathode current
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Organic dyestuffs and inorganic pigments. Method for determination of ash content
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Organic dyestuffs and inorganic pigments. Method for the determination of specific conductivity of water extract
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Organic dyestuffs and inorganic pigments. Method for determination of loss in mass on ignition
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Chalk. Method for determination of water-soluble matters content
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