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Testing of chemicals of environmental hazard. Anaerobic biodegradability of organic compounds in digested sludge

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Well-logging apparatus. General specifications

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Ground feldsparic and quartzfeldsparic materials. Method for determination of size distribution by sieve analysis

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Technical magnesium chloride (bishofit). Specifications

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Gas-condensate mixture. Part 1. Separation gas. Compositional analysis by gas chromatography method

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Graphite. Method for determination of cobalt

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