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Niobium pentoxide. Methods for the determination of oxides, aluminium, calcium and iron, of dioxides silicon and titanium
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Fuel ethanol. Determination of total and potential sulfates and inorganic chlorides by method of direct injection suppressed ion chromatography
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Mine instruments for gas analysis. General requirements. Testing methods
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Vessels and apparatus. Norms and methods of strength calculation. Strength and leak-tightness calculation of flange joints
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