Russian standards PDF
Load-bearing geophysical armoured cables. General specifications
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Drinking water. Determination of volatile halogenated organic compounds by gas chromatography
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Water quality. Detection and enumeration of Escherichia coli and coliform bacteria. Part 1. Membrane filtration method
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Feeds, compound feeds. Determination of calcium, copper, iron, magnesium, manganese, of potassium, sodium and zinc by atomic absorption spectrometry method
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