Russian standards PDF
Threaded plug-gauges with incomplete form of thread of diameters from 52 to 100 mm. Design and basic dimensions
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Polyamides, polyamide fibres, fabrics. Methods for determination of extractable materials content
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Titanomagnetite ores, ironvanadium concentrates, agglomerates and pellets. Methods for determination of calcium oxide and magnesium oxide
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Drinking water. Method for determination of beryllium content
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