Russian standards PDF
Laboratory glassware. Burettes. Part 2. Burettes for which no waiting time is specified
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Surface active agents. Determination of stability in hard water
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Woodworking machines. Machines for production of core stock from laths. Terminology
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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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