Russian standards PDF

Natural gas. Determination of composition by gas chromatography method with evaluation of uncertainty. Part 3. Precision and bias

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Product for reproduction. Semen. Microbiological analysis technique

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Cooling liquids based on ethylene glycol. Determination of freezing point by automatic phase transition method

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Cooling liquids. Determination of freezing point by hand-held refractometer

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Drinking water. Methods of parasitological tests of water

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Drinking and mineral water. Methods for the determination of spores of sulfite-reducing clostridia

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