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Workplace atmospheres. Part 2. Gas detectors. Selection, installation, use and maintenance of detectors for toxic gases and vapors
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Fluxes for electroslag remelting. Methods for determination of manganous oxide
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State system for ensuring the uniformity of measurements. Metrological assurance for measuring systems. Main principles
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Livestock, poultry and fur farming buildings and premises
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Signal cartridges . General technical requirements and test methods
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