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Domestic and non-domestic gas-fired air heaters. Supplementary requirements for condensing air heaters
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Vodkas and special vodkas. Spectral-luminescent method of identification ethanol
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Plastics. Determination of the ultimate anaerobic biodegradation of plastic materials in controlled slurry digestion systems. Method by measurement of biogas production
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No-go plain plug gauges of not full-form with laps of diameter over 160 to 360 mm. Design and dimensions
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