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Ammonium nitrate for industrial use. Method determination of total nitrogen content (titrimetric) after distillation
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Ammonium nitrate for industrial use. Method determination of ammoniacal nitrogen content (titrimetric) after distillation
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Hexagon drive ends for hand- and machine-operated screwdriver bits. Dimensions
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Paper and board. Accelerated ageing. Part 4. Dry heat treatment at 120 or 150 grades C
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Ammonium sulphate technical. Determination of free acid content. Titrimetric method
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Unified system of technological documentation. Rules for writing down operations and manufacturing steps. Brazing, soldering and tinning
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